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Finding the Fourth Proportional to 542,608.80, 748,733.40 and 327,764.40

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Solution

The fourth proportional to 542,608.80, 748,733.40 and 327,764.40 is: 452,274.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,608.80 : 748,733.40 = 327,764.40 : x
  2. Step 2: Convert to fraction form
    542,608.80/748,733.40 = 327,764.40/x
  3. Step 3: Cross multiply
    542,608.80x = 748,733.40 × 327,764.40
  4. Step 4: Simplify right side
    542,608.80x = 245,408,153,610.96
  5. Step 5: Solve for x
    x = 245,408,153,610.96/542,608.80
  6. Step 6: Final answer
    x = 452,274.56

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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.