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Finding the Fourth Proportional to 438,528.60, 605,171.34 and 237,324.60

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Solution

The fourth proportional to 438,528.60, 605,171.34 and 237,324.60 is: 327,508.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,528.60 : 605,171.34 = 237,324.60 : x
  2. Step 2: Convert to fraction form
    438,528.60/605,171.34 = 237,324.60/x
  3. Step 3: Cross multiply
    438,528.60x = 605,171.34 × 237,324.60
  4. Step 4: Simplify right side
    438,528.60x = 143,622,046,196.96
  5. Step 5: Solve for x
    x = 143,622,046,196.96/438,528.60
  6. Step 6: Final answer
    x = 327,508.96

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1.5x scale

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.