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Finding the Fourth Proportional to 542,191.48, 748,190.22 and 300,459.92

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Solution

The fourth proportional to 542,191.48, 748,190.22 and 300,459.92 is: 414,615.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,191.48 : 748,190.22 = 300,459.92 : x
  2. Step 2: Convert to fraction form
    542,191.48/748,190.22 = 300,459.92/x
  3. Step 3: Cross multiply
    542,191.48x = 748,190.22 × 300,459.92
  4. Step 4: Simplify right side
    542,191.48x = 224,801,173,645.98
  5. Step 5: Solve for x
    x = 224,801,173,645.98/542,191.48
  6. Step 6: Final answer
    x = 414,615.84

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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.