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Finding the Fourth Proportional to 508,332.96, 762,502.32 and 134,352

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Solution

The fourth proportional to 508,332.96, 762,502.32 and 134,352 is: 201,528.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,332.96 : 762,502.32 = 134,352 : x
  2. Step 2: Convert to fraction form
    508,332.96/762,502.32 = 134,352/x
  3. Step 3: Cross multiply
    508,332.96x = 762,502.32 × 134,352
  4. Step 4: Simplify right side
    508,332.96x = 102,443,711,696.64
  5. Step 5: Solve for x
    x = 102,443,711,696.64/508,332.96
  6. Step 6: Final answer
    x = 201,528.76

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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.