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Finding the Fourth Proportional to 508,002.84, 762,131 and 358,535.12

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Solution

The fourth proportional to 508,002.84, 762,131 and 358,535.12 is: 537,892.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,002.84 : 762,131 = 358,535.12 : x
  2. Step 2: Convert to fraction form
    508,002.84/762,131 = 358,535.12/x
  3. Step 3: Cross multiply
    508,002.84x = 762,131 × 358,535.12
  4. Step 4: Simplify right side
    508,002.84x = 273,250,729,540.72
  5. Step 5: Solve for x
    x = 273,250,729,540.72/508,002.84
  6. Step 6: Final answer
    x = 537,892.13

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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.