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Finding the Fourth Proportional to 353,959.62, 530,658.77 and 185,447.63

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Solution

The fourth proportional to 353,959.62, 530,658.77 and 185,447.63 is: 278,024.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,959.62 : 530,658.77 = 185,447.63 : x
  2. Step 2: Convert to fraction form
    353,959.62/530,658.77 = 185,447.63/x
  3. Step 3: Cross multiply
    353,959.62x = 530,658.77 × 185,447.63
  4. Step 4: Simplify right side
    353,959.62x = 98,409,407,654.68
  5. Step 5: Solve for x
    x = 98,409,407,654.68/353,959.62
  6. Step 6: Final answer
    x = 278,024.39

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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.