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Finding the Fourth Proportional to 316,717.96, 437,077.08 and 173,478.04

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Solution

The fourth proportional to 316,717.96, 437,077.08 and 173,478.04 is: 239,403.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,717.96 : 437,077.08 = 173,478.04 : x
  2. Step 2: Convert to fraction form
    316,717.96/437,077.08 = 173,478.04/x
  3. Step 3: Cross multiply
    316,717.96x = 437,077.08 × 173,478.04
  4. Step 4: Simplify right side
    316,717.96x = 75,823,275,167.32
  5. Step 5: Solve for x
    x = 75,823,275,167.32/316,717.96
  6. Step 6: Final answer
    x = 239,403.14

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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.