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Finding the Fourth Proportional to 318,167.84, 439,068.92 and 182,226.36

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Solution

The fourth proportional to 318,167.84, 439,068.92 and 182,226.36 is: 251,470.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,167.84 : 439,068.92 = 182,226.36 : x
  2. Step 2: Convert to fraction form
    318,167.84/439,068.92 = 182,226.36/x
  3. Step 3: Cross multiply
    318,167.84x = 439,068.92 × 182,226.36
  4. Step 4: Simplify right side
    318,167.84x = 80,009,931,080.73
  5. Step 5: Solve for x
    x = 80,009,931,080.73/318,167.84
  6. Step 6: Final answer
    x = 251,470.83

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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.