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Finding the Fourth Proportional to 316,765.92, 437,137.04 and 173,531.12

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Solution

The fourth proportional to 316,765.92, 437,137.04 and 173,531.12 is: 239,472.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,765.92 : 437,137.04 = 173,531.12 : x
  2. Step 2: Convert to fraction form
    316,765.92/437,137.04 = 173,531.12/x
  3. Step 3: Cross multiply
    316,765.92x = 437,137.04 × 173,531.12
  4. Step 4: Simplify right side
    316,765.92x = 75,856,880,144.68
  5. Step 5: Solve for x
    x = 75,856,880,144.68/316,765.92
  6. Step 6: Final answer
    x = 239,472.98

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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.