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Finding the Fourth Proportional to 542,844.96, 748,812.60 and 338,541.27

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Solution

The fourth proportional to 542,844.96, 748,812.60 and 338,541.27 is: 466,991.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,844.96 : 748,812.60 = 338,541.27 : x
  2. Step 2: Convert to fraction form
    542,844.96/748,812.60 = 338,541.27/x
  3. Step 3: Cross multiply
    542,844.96x = 748,812.60 × 338,541.27
  4. Step 4: Simplify right side
    542,844.96x = 253,503,968,596.00
  5. Step 5: Solve for x
    x = 253,503,968,596.00/542,844.96
  6. Step 6: Final answer
    x = 466,991.48

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Double scale
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Similar ratio
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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.