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Finding the Fourth Proportional to 542,158.17, 748,180.02 and 300,444.72

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Solution

The fourth proportional to 542,158.17, 748,180.02 and 300,444.72 is: 414,614.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,158.17 : 748,180.02 = 300,444.72 : x
  2. Step 2: Convert to fraction form
    542,158.17/748,180.02 = 300,444.72/x
  3. Step 3: Cross multiply
    542,158.17x = 748,180.02 × 300,444.72
  4. Step 4: Simplify right side
    542,158.17x = 224,786,736,618.49
  5. Step 5: Solve for x
    x = 224,786,736,618.49/542,158.17
  6. Step 6: Final answer
    x = 414,614.68

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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.