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Finding the Fourth Proportional to 472,393,077.45, 708,589,616.18 and 472,393,077.45

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Solution

The fourth proportional to 472,393,077.45, 708,589,616.18 and 472,393,077.45 is: 708,589,616.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,077.45 : 708,589,616.18 = 472,393,077.45 : x
  2. Step 2: Convert to fraction form
    472,393,077.45/708,589,616.18 = 472,393,077.45/x
  3. Step 3: Cross multiply
    472,393,077.45x = 708,589,616.18 × 472,393,077.45
  4. Step 4: Simplify right side
    472,393,077.45x = 334,732,829,434,022,528
  5. Step 5: Solve for x
    x = 334,732,829,434,022,528/472,393,077.45
  6. Step 6: Final answer
    x = 708,589,616.18

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.