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Finding the Fourth Proportional to 591,708.60, 887,562.90 and 451,740.60

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Solution

The fourth proportional to 591,708.60, 887,562.90 and 451,740.60 is: 677,610.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,708.60 : 887,562.90 = 451,740.60 : x
  2. Step 2: Convert to fraction form
    591,708.60/887,562.90 = 451,740.60/x
  3. Step 3: Cross multiply
    591,708.60x = 887,562.90 × 451,740.60
  4. Step 4: Simplify right side
    591,708.60x = 400,948,196,983.74
  5. Step 5: Solve for x
    x = 400,948,196,983.74/591,708.60
  6. Step 6: Final answer
    x = 677,610.90

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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.