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Finding the Fourth Proportional to 353,726.40, 488,126.40 and 192,577.44

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Solution

The fourth proportional to 353,726.40, 488,126.40 and 192,577.44 is: 265,748.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,726.40 : 488,126.40 = 192,577.44 : x
  2. Step 2: Convert to fraction form
    353,726.40/488,126.40 = 192,577.44/x
  3. Step 3: Cross multiply
    353,726.40x = 488,126.40 × 192,577.44
  4. Step 4: Simplify right side
    353,726.40x = 94,002,132,508.42
  5. Step 5: Solve for x
    x = 94,002,132,508.42/353,726.40
  6. Step 6: Final answer
    x = 265,748.14

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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.