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Finding the Fourth Proportional to 316,770.66, 437,148.46 and 173,521.24

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Solution

The fourth proportional to 316,770.66, 437,148.46 and 173,521.24 is: 239,462.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,770.66 : 437,148.46 = 173,521.24 : x
  2. Step 2: Convert to fraction form
    316,770.66/437,148.46 = 173,521.24/x
  3. Step 3: Cross multiply
    316,770.66x = 437,148.46 × 173,521.24
  4. Step 4: Simplify right side
    316,770.66x = 75,854,542,843.29
  5. Step 5: Solve for x
    x = 75,854,542,843.29/316,770.66
  6. Step 6: Final answer
    x = 239,462.02

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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.