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Finding the Fourth Proportional to 479,180.08, 718,159.47 and 254,648.08

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Solution

The fourth proportional to 479,180.08, 718,159.47 and 254,648.08 is: 381,647.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,180.08 : 718,159.47 = 254,648.08 : x
  2. Step 2: Convert to fraction form
    479,180.08/718,159.47 = 254,648.08/x
  3. Step 3: Cross multiply
    479,180.08x = 718,159.47 × 254,648.08
  4. Step 4: Simplify right side
    479,180.08x = 182,877,930,169.32
  5. Step 5: Solve for x
    x = 182,877,930,169.32/479,180.08
  6. Step 6: Final answer
    x = 381,647.61

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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.