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Finding the Fourth Proportional to 542,414.58, 748,462.95 and 300,694.98

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Solution

The fourth proportional to 542,414.58, 748,462.95 and 300,694.98 is: 414,920.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,414.58 : 748,462.95 = 300,694.98 : x
  2. Step 2: Convert to fraction form
    542,414.58/748,462.95 = 300,694.98/x
  3. Step 3: Cross multiply
    542,414.58x = 748,462.95 × 300,694.98
  4. Step 4: Simplify right side
    542,414.58x = 225,059,051,780.99
  5. Step 5: Solve for x
    x = 225,059,051,780.99/542,414.58
  6. Step 6: Final answer
    x = 414,920.73

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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.