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Finding the Fourth Proportional to 542,238.04, 748,268.12 and 300,524.74

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Solution

The fourth proportional to 542,238.04, 748,268.12 and 300,524.74 is: 414,712.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,238.04 : 748,268.12 = 300,524.74 : x
  2. Step 2: Convert to fraction form
    542,238.04/748,268.12 = 300,524.74/x
  3. Step 3: Cross multiply
    542,238.04x = 748,268.12 × 300,524.74
  4. Step 4: Simplify right side
    542,238.04x = 224,873,082,213.29
  5. Step 5: Solve for x
    x = 224,873,082,213.29/542,238.04
  6. Step 6: Final answer
    x = 414,712.85

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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.