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Finding the Fourth Proportional to 293,309.14, 439,949.12 and 160,448.90

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Solution

The fourth proportional to 293,309.14, 439,949.12 and 160,448.90 is: 240,665.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,309.14 : 439,949.12 = 160,448.90 : x
  2. Step 2: Convert to fraction form
    293,309.14/439,949.12 = 160,448.90/x
  3. Step 3: Cross multiply
    293,309.14x = 439,949.12 × 160,448.90
  4. Step 4: Simplify right side
    293,309.14x = 70,589,352,359.97
  5. Step 5: Solve for x
    x = 70,589,352,359.97/293,309.14
  6. Step 6: Final answer
    x = 240,665.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.