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Finding the Fourth Proportional to 360,866.08, 497,939.72 and 207,874.40

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Solution

The fourth proportional to 360,866.08, 497,939.72 and 207,874.40 is: 286,834.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,866.08 : 497,939.72 = 207,874.40 : x
  2. Step 2: Convert to fraction form
    360,866.08/497,939.72 = 207,874.40/x
  3. Step 3: Cross multiply
    360,866.08x = 497,939.72 × 207,874.40
  4. Step 4: Simplify right side
    360,866.08x = 103,508,919,177.55
  5. Step 5: Solve for x
    x = 103,508,919,177.55/360,866.08
  6. Step 6: Final answer
    x = 286,834.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.