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Finding the Fourth Proportional to 561,897.60, 775,355.04 and 332,461.92

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Solution

The fourth proportional to 561,897.60, 775,355.04 and 332,461.92 is: 458,759.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,897.60 : 775,355.04 = 332,461.92 : x
  2. Step 2: Convert to fraction form
    561,897.60/775,355.04 = 332,461.92/x
  3. Step 3: Cross multiply
    561,897.60x = 775,355.04 × 332,461.92
  4. Step 4: Simplify right side
    561,897.60x = 257,776,025,280.08
  5. Step 5: Solve for x
    x = 257,776,025,280.08/561,897.60
  6. Step 6: Final answer
    x = 458,759.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.