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Finding the Fourth Proportional to 316,850.92, 437,254.02 and 173,619.88

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Solution

The fourth proportional to 316,850.92, 437,254.02 and 173,619.88 is: 239,595.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,850.92 : 437,254.02 = 173,619.88 : x
  2. Step 2: Convert to fraction form
    316,850.92/437,254.02 = 173,619.88/x
  3. Step 3: Cross multiply
    316,850.92x = 437,254.02 × 173,619.88
  4. Step 4: Simplify right side
    316,850.92x = 75,915,990,481.92
  5. Step 5: Solve for x
    x = 75,915,990,481.92/316,850.92
  6. Step 6: Final answer
    x = 239,595.30

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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.