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Finding the Fourth Proportional to 317,086.76, 437,568.04 and 173,843.64

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Solution

The fourth proportional to 317,086.76, 437,568.04 and 173,843.64 is: 239,897.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,086.76 : 437,568.04 = 173,843.64 : x
  2. Step 2: Convert to fraction form
    317,086.76/437,568.04 = 173,843.64/x
  3. Step 3: Cross multiply
    317,086.76x = 437,568.04 × 173,843.64
  4. Step 4: Simplify right side
    317,086.76x = 76,068,420,821.27
  5. Step 5: Solve for x
    x = 76,068,420,821.27/317,086.76
  6. Step 6: Final answer
    x = 239,897.81

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1.5x scale

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.