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Finding the Fourth Proportional to 295,456.10, 443,184.15 and 127,057.10

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Solution

The fourth proportional to 295,456.10, 443,184.15 and 127,057.10 is: 190,585.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,456.10 : 443,184.15 = 127,057.10 : x
  2. Step 2: Convert to fraction form
    295,456.10/443,184.15 = 127,057.10/x
  3. Step 3: Cross multiply
    295,456.10x = 443,184.15 × 127,057.10
  4. Step 4: Simplify right side
    295,456.10x = 56,309,692,864.97
  5. Step 5: Solve for x
    x = 56,309,692,864.97/295,456.10
  6. Step 6: Final answer
    x = 190,585.65

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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.