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Finding the Fourth Proportional to 542,166.80, 748,194.36 and 300,453.29

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Solution

The fourth proportional to 542,166.80, 748,194.36 and 300,453.29 is: 414,627.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,166.80 : 748,194.36 = 300,453.29 : x
  2. Step 2: Convert to fraction form
    542,166.80/748,194.36 = 300,453.29/x
  3. Step 3: Cross multiply
    542,166.80x = 748,194.36 × 300,453.29
  4. Step 4: Simplify right side
    542,166.80x = 224,797,453,280.47
  5. Step 5: Solve for x
    x = 224,797,453,280.47/542,166.80
  6. Step 6: Final answer
    x = 414,627.85

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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.