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Finding the Fourth Proportional to 472,393,075.40, 708,589,613.10 and 472,393,075.40

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Solution

The fourth proportional to 472,393,075.40, 708,589,613.10 and 472,393,075.40 is: 708,589,613.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,075.40 : 708,589,613.10 = 472,393,075.40 : x
  2. Step 2: Convert to fraction form
    472,393,075.40/708,589,613.10 = 472,393,075.40/x
  3. Step 3: Cross multiply
    472,393,075.40x = 708,589,613.10 × 472,393,075.40
  4. Step 4: Simplify right side
    472,393,075.40x = 334,732,826,528,805,120
  5. Step 5: Solve for x
    x = 334,732,826,528,805,120/472,393,075.40
  6. Step 6: Final answer
    x = 708,589,613.10

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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.