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Finding the Fourth Proportional to 316,815.96, 437,183.28 and 173,552.88

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Solution

The fourth proportional to 316,815.96, 437,183.28 and 173,552.88 is: 239,490.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,815.96 : 437,183.28 = 173,552.88 : x
  2. Step 2: Convert to fraction form
    316,815.96/437,183.28 = 173,552.88/x
  3. Step 3: Cross multiply
    316,815.96x = 437,183.28 × 173,552.88
  4. Step 4: Simplify right side
    316,815.96x = 75,874,417,331.85
  5. Step 5: Solve for x
    x = 75,874,417,331.85/316,815.96
  6. Step 6: Final answer
    x = 239,490.51

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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.