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Finding the Fourth Proportional to 542,357.56, 748,200.30 and 341,264.44

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Solution

The fourth proportional to 542,357.56, 748,200.30 and 341,264.44 is: 470,785.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,357.56 : 748,200.30 = 341,264.44 : x
  2. Step 2: Convert to fraction form
    542,357.56/748,200.30 = 341,264.44/x
  3. Step 3: Cross multiply
    542,357.56x = 748,200.30 × 341,264.44
  4. Step 4: Simplify right side
    542,357.56x = 255,334,156,387.33
  5. Step 5: Solve for x
    x = 255,334,156,387.33/542,357.56
  6. Step 6: Final answer
    x = 470,785.65

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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.