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Finding the Fourth Proportional to 338,885.68, 508,154.96 and 179,047.44

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Solution

The fourth proportional to 338,885.68, 508,154.96 and 179,047.44 is: 268,479.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,885.68 : 508,154.96 = 179,047.44 : x
  2. Step 2: Convert to fraction form
    338,885.68/508,154.96 = 179,047.44/x
  3. Step 3: Cross multiply
    338,885.68x = 508,154.96 × 179,047.44
  4. Step 4: Simplify right side
    338,885.68x = 90,983,844,711.30
  5. Step 5: Solve for x
    x = 90,983,844,711.30/338,885.68
  6. Step 6: Final answer
    x = 268,479.46

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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.