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Finding the Fourth Proportional to 504,355.76, 756,532.26 and 149,397.46

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Solution

The fourth proportional to 504,355.76, 756,532.26 and 149,397.46 is: 224,095.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,355.76 : 756,532.26 = 149,397.46 : x
  2. Step 2: Convert to fraction form
    504,355.76/756,532.26 = 149,397.46/x
  3. Step 3: Cross multiply
    504,355.76x = 756,532.26 × 149,397.46
  4. Step 4: Simplify right side
    504,355.76x = 113,023,998,052.06
  5. Step 5: Solve for x
    x = 113,023,998,052.06/504,355.76
  6. Step 6: Final answer
    x = 224,095.78

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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.