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Finding the Fourth Proportional to 439,253.56, 606,169.80 and 238,049.56

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Solution

The fourth proportional to 439,253.56, 606,169.80 and 238,049.56 is: 328,508.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,253.56 : 606,169.80 = 238,049.56 : x
  2. Step 2: Convert to fraction form
    439,253.56/606,169.80 = 238,049.56/x
  3. Step 3: Cross multiply
    439,253.56x = 606,169.80 × 238,049.56
  4. Step 4: Simplify right side
    439,253.56x = 144,298,454,175.29
  5. Step 5: Solve for x
    x = 144,298,454,175.29/439,253.56
  6. Step 6: Final answer
    x = 328,508.33

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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.