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Finding the Fourth Proportional to 317,252.80, 475,768.33 and 127,663.97

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Solution

The fourth proportional to 317,252.80, 475,768.33 and 127,663.97 is: 191,451.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,252.80 : 475,768.33 = 127,663.97 : x
  2. Step 2: Convert to fraction form
    317,252.80/475,768.33 = 127,663.97/x
  3. Step 3: Cross multiply
    317,252.80x = 475,768.33 × 127,663.97
  4. Step 4: Simplify right side
    317,252.80x = 60,738,475,842.47
  5. Step 5: Solve for x
    x = 60,738,475,842.47/317,252.80
  6. Step 6: Final answer
    x = 191,451.35

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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.