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Finding the Fourth Proportional to 662,327.20, 995,257.20 and 580,042.40

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Solution

The fourth proportional to 662,327.20, 995,257.20 and 580,042.40 is: 871,610.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,327.20 : 995,257.20 = 580,042.40 : x
  2. Step 2: Convert to fraction form
    662,327.20/995,257.20 = 580,042.40/x
  3. Step 3: Cross multiply
    662,327.20x = 995,257.20 × 580,042.40
  4. Step 4: Simplify right side
    662,327.20x = 577,291,374,905.28
  5. Step 5: Solve for x
    x = 577,291,374,905.28/662,327.20
  6. Step 6: Final answer
    x = 871,610.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.