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Finding the Fourth Proportional to 561,900.60, 775,359.18 and 332,464.92

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Solution

The fourth proportional to 561,900.60, 775,359.18 and 332,464.92 is: 458,763.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,900.60 : 775,359.18 = 332,464.92 : x
  2. Step 2: Convert to fraction form
    561,900.60/775,359.18 = 332,464.92/x
  3. Step 3: Cross multiply
    561,900.60x = 775,359.18 × 332,464.92
  4. Step 4: Simplify right side
    561,900.60x = 257,779,727,749.97
  5. Step 5: Solve for x
    x = 257,779,727,749.97/561,900.60
  6. Step 6: Final answer
    x = 458,763.93

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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.