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Finding the Fourth Proportional to 247,841, 341,864.50 and 197,659.88

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Solution

The fourth proportional to 247,841, 341,864.50 and 197,659.88 is: 272,646.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,841 : 341,864.50 = 197,659.88 : x
  2. Step 2: Convert to fraction form
    247,841/341,864.50 = 197,659.88/x
  3. Step 3: Cross multiply
    247,841x = 341,864.50 × 197,659.88
  4. Step 4: Simplify right side
    247,841x = 67,572,896,046.26
  5. Step 5: Solve for x
    x = 67,572,896,046.26/247,841
  6. Step 6: Final answer
    x = 272,646.16

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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.