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Finding the Fourth Proportional to 488,663.04, 674,338.68 and 270,862.56

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Solution

The fourth proportional to 488,663.04, 674,338.68 and 270,862.56 is: 373,781.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,663.04 : 674,338.68 = 270,862.56 : x
  2. Step 2: Convert to fraction form
    488,663.04/674,338.68 = 270,862.56/x
  3. Step 3: Cross multiply
    488,663.04x = 674,338.68 × 270,862.56
  4. Step 4: Simplify right side
    488,663.04x = 182,653,101,171.82
  5. Step 5: Solve for x
    x = 182,653,101,171.82/488,663.04
  6. Step 6: Final answer
    x = 373,781.29

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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.