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Finding the Fourth Proportional to 438,652.38, 656,481.52 and 367,655.16

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Solution

The fourth proportional to 438,652.38, 656,481.52 and 367,655.16 is: 550,227.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,652.38 : 656,481.52 = 367,655.16 : x
  2. Step 2: Convert to fraction form
    438,652.38/656,481.52 = 367,655.16/x
  3. Step 3: Cross multiply
    438,652.38x = 656,481.52 × 367,655.16
  4. Step 4: Simplify right side
    438,652.38x = 241,358,818,272.64
  5. Step 5: Solve for x
    x = 241,358,818,272.64/438,652.38
  6. Step 6: Final answer
    x = 550,227.99

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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.