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Finding the Fourth Proportional to 541,777.01, 747,657.81 and 326,875.59

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Solution

The fourth proportional to 541,777.01, 747,657.81 and 326,875.59 is: 451,091.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,777.01 : 747,657.81 = 326,875.59 : x
  2. Step 2: Convert to fraction form
    541,777.01/747,657.81 = 326,875.59/x
  3. Step 3: Cross multiply
    541,777.01x = 747,657.81 × 326,875.59
  4. Step 4: Simplify right side
    541,777.01x = 244,391,087,761.86
  5. Step 5: Solve for x
    x = 244,391,087,761.86/541,777.01
  6. Step 6: Final answer
    x = 451,091.66

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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.