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Finding the Fourth Proportional to 323,132.82, 445,855.62 and 187,158.52

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Solution

The fourth proportional to 323,132.82, 445,855.62 and 187,158.52 is: 258,239.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,132.82 : 445,855.62 = 187,158.52 : x
  2. Step 2: Convert to fraction form
    323,132.82/445,855.62 = 187,158.52/x
  3. Step 3: Cross multiply
    323,132.82x = 445,855.62 × 187,158.52
  4. Step 4: Simplify right side
    323,132.82x = 83,445,677,972.88
  5. Step 5: Solve for x
    x = 83,445,677,972.88/323,132.82
  6. Step 6: Final answer
    x = 258,239.56

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1.5x scale

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.