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Finding the Fourth Proportional to 437,538.60, 656,307.90 and 332,562.60

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Solution

The fourth proportional to 437,538.60, 656,307.90 and 332,562.60 is: 498,843.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,538.60 : 656,307.90 = 332,562.60 : x
  2. Step 2: Convert to fraction form
    437,538.60/656,307.90 = 332,562.60/x
  3. Step 3: Cross multiply
    437,538.60x = 656,307.90 × 332,562.60
  4. Step 4: Simplify right side
    437,538.60x = 218,263,461,624.54
  5. Step 5: Solve for x
    x = 218,263,461,624.54/437,538.60
  6. Step 6: Final answer
    x = 498,843.90

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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.