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Finding the Fourth Proportional to 479,248.64, 718,662.94 and 179,518.88

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Solution

The fourth proportional to 479,248.64, 718,662.94 and 179,518.88 is: 269,199.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,248.64 : 718,662.94 = 179,518.88 : x
  2. Step 2: Convert to fraction form
    479,248.64/718,662.94 = 179,518.88/x
  3. Step 3: Cross multiply
    479,248.64x = 718,662.94 × 179,518.88
  4. Step 4: Simplify right side
    479,248.64x = 129,013,566,086.31
  5. Step 5: Solve for x
    x = 129,013,566,086.31/479,248.64
  6. Step 6: Final answer
    x = 269,199.65

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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.