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Finding the Fourth Proportional to 473,387.72, 708,729.90 and 360,937.16

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Solution

The fourth proportional to 473,387.72, 708,729.90 and 360,937.16 is: 540,375.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,387.72 : 708,729.90 = 360,937.16 : x
  2. Step 2: Convert to fraction form
    473,387.72/708,729.90 = 360,937.16/x
  3. Step 3: Cross multiply
    473,387.72x = 708,729.90 × 360,937.16
  4. Step 4: Simplify right side
    473,387.72x = 255,806,957,313.08
  5. Step 5: Solve for x
    x = 255,806,957,313.08/473,387.72
  6. Step 6: Final answer
    x = 540,375.14

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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.