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Finding the Fourth Proportional to 322,146.65, 444,572.55 and 193,042.58

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Solution

The fourth proportional to 322,146.65, 444,572.55 and 193,042.58 is: 266,404.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,146.65 : 444,572.55 = 193,042.58 : x
  2. Step 2: Convert to fraction form
    322,146.65/444,572.55 = 193,042.58/x
  3. Step 3: Cross multiply
    322,146.65x = 444,572.55 × 193,042.58
  4. Step 4: Simplify right side
    322,146.65x = 85,821,429,826.32
  5. Step 5: Solve for x
    x = 85,821,429,826.32/322,146.65
  6. Step 6: Final answer
    x = 266,404.85

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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.