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Finding the Fourth Proportional to 316,545.88, 436,833.11 and 173,305.88

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Solution

The fourth proportional to 316,545.88, 436,833.11 and 173,305.88 is: 239,162.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,545.88 : 436,833.11 = 173,305.88 : x
  2. Step 2: Convert to fraction form
    316,545.88/436,833.11 = 173,305.88/x
  3. Step 3: Cross multiply
    316,545.88x = 436,833.11 × 173,305.88
  4. Step 4: Simplify right side
    316,545.88x = 75,705,747,200.50
  5. Step 5: Solve for x
    x = 75,705,747,200.50/316,545.88
  6. Step 6: Final answer
    x = 239,162.01

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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.