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Finding the Fourth Proportional to 270,691, 373,467.68 and 157,491.88

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Solution

The fourth proportional to 270,691, 373,467.68 and 157,491.88 is: 217,288.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,691 : 373,467.68 = 157,491.88 : x
  2. Step 2: Convert to fraction form
    270,691/373,467.68 = 157,491.88/x
  3. Step 3: Cross multiply
    270,691x = 373,467.68 × 157,491.88
  4. Step 4: Simplify right side
    270,691x = 58,818,127,042.44
  5. Step 5: Solve for x
    x = 58,818,127,042.44/270,691
  6. Step 6: Final answer
    x = 217,288.82

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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.