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Finding the Fourth Proportional to 316,337.96, 436,545.92 and 173,097.96

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Solution

The fourth proportional to 316,337.96, 436,545.92 and 173,097.96 is: 238,874.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,337.96 : 436,545.92 = 173,097.96 : x
  2. Step 2: Convert to fraction form
    316,337.96/436,545.92 = 173,097.96/x
  3. Step 3: Cross multiply
    316,337.96x = 436,545.92 × 173,097.96
  4. Step 4: Simplify right side
    316,337.96x = 75,565,208,198.32
  5. Step 5: Solve for x
    x = 75,565,208,198.32/316,337.96
  6. Step 6: Final answer
    x = 238,874.93

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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.