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Finding the Fourth Proportional to 488,772.42, 733,154.07 and 133,785.87

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Solution

The fourth proportional to 488,772.42, 733,154.07 and 133,785.87 is: 200,677.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,772.42 : 733,154.07 = 133,785.87 : x
  2. Step 2: Convert to fraction form
    488,772.42/733,154.07 = 133,785.87/x
  3. Step 3: Cross multiply
    488,772.42x = 733,154.07 × 133,785.87
  4. Step 4: Simplify right side
    488,772.42x = 98,085,655,098.99
  5. Step 5: Solve for x
    x = 98,085,655,098.99/488,772.42
  6. Step 6: Final answer
    x = 200,677.56

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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.