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Finding the Fourth Proportional to 995,454.78, 1,493,187.78 and 247,500.78

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Solution

The fourth proportional to 995,454.78, 1,493,187.78 and 247,500.78 is: 371,252.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,454.78 : 1,493,187.78 = 247,500.78 : x
  2. Step 2: Convert to fraction form
    995,454.78/1,493,187.78 = 247,500.78/x
  3. Step 3: Cross multiply
    995,454.78x = 1,493,187.78 × 247,500.78
  4. Step 4: Simplify right side
    995,454.78x = 369,565,140,236.47
  5. Step 5: Solve for x
    x = 369,565,140,236.47/995,454.78
  6. Step 6: Final answer
    x = 371,252.56

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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.