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Finding the Fourth Proportional to 542,433.48, 748,557.36 and 327,531.48

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Solution

The fourth proportional to 542,433.48, 748,557.36 and 327,531.48 is: 451,992.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,433.48 : 748,557.36 = 327,531.48 : x
  2. Step 2: Convert to fraction form
    542,433.48/748,557.36 = 327,531.48/x
  3. Step 3: Cross multiply
    542,433.48x = 748,557.36 × 327,531.48
  4. Step 4: Simplify right side
    542,433.48x = 245,176,099,985.69
  5. Step 5: Solve for x
    x = 245,176,099,985.69/542,433.48
  6. Step 6: Final answer
    x = 451,992.93

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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.