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Finding the Fourth Proportional to 317,229.48, 437,783.49 and 173,989.17

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Solution

The fourth proportional to 317,229.48, 437,783.49 and 173,989.17 is: 240,108.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,229.48 : 437,783.49 = 173,989.17 : x
  2. Step 2: Convert to fraction form
    317,229.48/437,783.49 = 173,989.17/x
  3. Step 3: Cross multiply
    317,229.48x = 437,783.49 × 173,989.17
  4. Step 4: Simplify right side
    317,229.48x = 76,169,586,064.80
  5. Step 5: Solve for x
    x = 76,169,586,064.80/317,229.48
  6. Step 6: Final answer
    x = 240,108.79

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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.