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Finding the Fourth Proportional to 561,901.60, 775,360.56 and 332,465.92

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Solution

The fourth proportional to 561,901.60, 775,360.56 and 332,465.92 is: 458,765.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,901.60 : 775,360.56 = 332,465.92 : x
  2. Step 2: Convert to fraction form
    561,901.60/775,360.56 = 332,465.92/x
  3. Step 3: Cross multiply
    561,901.60x = 775,360.56 × 332,465.92
  4. Step 4: Simplify right side
    561,901.60x = 257,780,961,912.12
  5. Step 5: Solve for x
    x = 257,780,961,912.12/561,901.60
  6. Step 6: Final answer
    x = 458,765.31

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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.