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Finding the Fourth Proportional to 542,224.62, 748,269.96 and 300,543.54

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Solution

The fourth proportional to 542,224.62, 748,269.96 and 300,543.54 is: 414,750.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,224.62 : 748,269.96 = 300,543.54 : x
  2. Step 2: Convert to fraction form
    542,224.62/748,269.96 = 300,543.54/x
  3. Step 3: Cross multiply
    542,224.62x = 748,269.96 × 300,543.54
  4. Step 4: Simplify right side
    542,224.62x = 224,887,702,654.06
  5. Step 5: Solve for x
    x = 224,887,702,654.06/542,224.62
  6. Step 6: Final answer
    x = 414,750.08

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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.