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Finding the Fourth Proportional to 314,545.44, 471,351.59 and 231,031.20

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Solution

The fourth proportional to 314,545.44, 471,351.59 and 231,031.20 is: 346,204.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,545.44 : 471,351.59 = 231,031.20 : x
  2. Step 2: Convert to fraction form
    314,545.44/471,351.59 = 231,031.20/x
  3. Step 3: Cross multiply
    314,545.44x = 471,351.59 × 231,031.20
  4. Step 4: Simplify right side
    314,545.44x = 108,896,924,938.39
  5. Step 5: Solve for x
    x = 108,896,924,938.39/314,545.44
  6. Step 6: Final answer
    x = 346,204.11

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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.