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Finding the Fourth Proportional to 484,374.64, 726,562.56 and 231,595.70

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Solution

The fourth proportional to 484,374.64, 726,562.56 and 231,595.70 is: 347,393.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,374.64 : 726,562.56 = 231,595.70 : x
  2. Step 2: Convert to fraction form
    484,374.64/726,562.56 = 231,595.70/x
  3. Step 3: Cross multiply
    484,374.64x = 726,562.56 × 231,595.70
  4. Step 4: Simplify right side
    484,374.64x = 168,268,764,676.99
  5. Step 5: Solve for x
    x = 168,268,764,676.99/484,374.64
  6. Step 6: Final answer
    x = 347,393.84

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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.