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Finding the Fourth Proportional to 316,847.80, 437,260.12 and 173,616.96

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Solution

The fourth proportional to 316,847.80, 437,260.12 and 173,616.96 is: 239,596.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,847.80 : 437,260.12 = 173,616.96 : x
  2. Step 2: Convert to fraction form
    316,847.80/437,260.12 = 173,616.96/x
  3. Step 3: Cross multiply
    316,847.80x = 437,260.12 × 173,616.96
  4. Step 4: Simplify right side
    316,847.80x = 75,915,772,763.64
  5. Step 5: Solve for x
    x = 75,915,772,763.64/316,847.80
  6. Step 6: Final answer
    x = 239,596.97

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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.