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Finding the Fourth Proportional to 508,291.52, 762,685.68 and 359,488.04

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Solution

The fourth proportional to 508,291.52, 762,685.68 and 359,488.04 is: 539,407.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,291.52 : 762,685.68 = 359,488.04 : x
  2. Step 2: Convert to fraction form
    508,291.52/762,685.68 = 359,488.04/x
  3. Step 3: Cross multiply
    508,291.52x = 762,685.68 × 359,488.04
  4. Step 4: Simplify right side
    508,291.52x = 274,176,380,239.27
  5. Step 5: Solve for x
    x = 274,176,380,239.27/508,291.52
  6. Step 6: Final answer
    x = 539,407.74

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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.