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Finding the Fourth Proportional to 542,517.41, 748,583.02 and 361,499.69

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Solution

The fourth proportional to 542,517.41, 748,583.02 and 361,499.69 is: 498,808.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,517.41 : 748,583.02 = 361,499.69 : x
  2. Step 2: Convert to fraction form
    542,517.41/748,583.02 = 361,499.69/x
  3. Step 3: Cross multiply
    542,517.41x = 748,583.02 × 361,499.69
  4. Step 4: Simplify right side
    542,517.41x = 270,612,529,669.26
  5. Step 5: Solve for x
    x = 270,612,529,669.26/542,517.41
  6. Step 6: Final answer
    x = 498,808.93

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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.