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Finding the Fourth Proportional to 319,504.68, 440,917.98 and 176,264.70

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Solution

The fourth proportional to 319,504.68, 440,917.98 and 176,264.70 is: 243,246.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,504.68 : 440,917.98 = 176,264.70 : x
  2. Step 2: Convert to fraction form
    319,504.68/440,917.98 = 176,264.70/x
  3. Step 3: Cross multiply
    319,504.68x = 440,917.98 × 176,264.70
  4. Step 4: Simplify right side
    319,504.68x = 77,718,275,469.31
  5. Step 5: Solve for x
    x = 77,718,275,469.31/319,504.68
  6. Step 6: Final answer
    x = 243,246.13

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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.