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Finding the Fourth Proportional to 542,146.60, 748,181.61 and 327,244.69

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Solution

The fourth proportional to 542,146.60, 748,181.61 and 327,244.69 is: 451,609.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,146.60 : 748,181.61 = 327,244.69 : x
  2. Step 2: Convert to fraction form
    542,146.60/748,181.61 = 327,244.69/x
  3. Step 3: Cross multiply
    542,146.60x = 748,181.61 × 327,244.69
  4. Step 4: Simplify right side
    542,146.60x = 244,838,459,963.38
  5. Step 5: Solve for x
    x = 244,838,459,963.38/542,146.60
  6. Step 6: Final answer
    x = 451,609.32

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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.