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Finding the Fourth Proportional to 282,006.92, 389,219.30 and 167,348.79

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Solution

The fourth proportional to 282,006.92, 389,219.30 and 167,348.79 is: 230,970.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,006.92 : 389,219.30 = 167,348.79 : x
  2. Step 2: Convert to fraction form
    282,006.92/389,219.30 = 167,348.79/x
  3. Step 3: Cross multiply
    282,006.92x = 389,219.30 × 167,348.79
  4. Step 4: Simplify right side
    282,006.92x = 65,135,378,899.65
  5. Step 5: Solve for x
    x = 65,135,378,899.65/282,006.92
  6. Step 6: Final answer
    x = 230,970.85

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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.