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Finding the Fourth Proportional to 542,752.56, 748,508.49 and 338,822.28

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Solution

The fourth proportional to 542,752.56, 748,508.49 and 338,822.28 is: 467,268.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,752.56 : 748,508.49 = 338,822.28 : x
  2. Step 2: Convert to fraction form
    542,752.56/748,508.49 = 338,822.28/x
  3. Step 3: Cross multiply
    542,752.56x = 748,508.49 × 338,822.28
  4. Step 4: Simplify right side
    542,752.56x = 253,611,353,181.16
  5. Step 5: Solve for x
    x = 253,611,353,181.16/542,752.56
  6. Step 6: Final answer
    x = 467,268.83

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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.