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Finding the Fourth Proportional to 542,107.08, 748,124.17 and 300,367.04

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Solution

The fourth proportional to 542,107.08, 748,124.17 and 300,367.04 is: 414,515.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,107.08 : 748,124.17 = 300,367.04 : x
  2. Step 2: Convert to fraction form
    542,107.08/748,124.17 = 300,367.04/x
  3. Step 3: Cross multiply
    542,107.08x = 748,124.17 × 300,367.04
  4. Step 4: Simplify right side
    542,107.08x = 224,711,838,003.82
  5. Step 5: Solve for x
    x = 224,711,838,003.82/542,107.08
  6. Step 6: Final answer
    x = 414,515.59

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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.