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Finding the Fourth Proportional to 472,976.01, 709,444.17 and 220,169.61

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Solution

The fourth proportional to 472,976.01, 709,444.17 and 220,169.61 is: 330,245.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,976.01 : 709,444.17 = 220,169.61 : x
  2. Step 2: Convert to fraction form
    472,976.01/709,444.17 = 220,169.61/x
  3. Step 3: Cross multiply
    472,976.01x = 709,444.17 × 220,169.61
  4. Step 4: Simplify right side
    472,976.01x = 156,198,046,225.67
  5. Step 5: Solve for x
    x = 156,198,046,225.67/472,976.01
  6. Step 6: Final answer
    x = 330,245.18

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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.