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Finding the Fourth Proportional to 230,424.55, 346,881.64 and 207,251.47

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Solution

The fourth proportional to 230,424.55, 346,881.64 and 207,251.47 is: 311,996.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,424.55 : 346,881.64 = 207,251.47 : x
  2. Step 2: Convert to fraction form
    230,424.55/346,881.64 = 207,251.47/x
  3. Step 3: Cross multiply
    230,424.55x = 346,881.64 × 207,251.47
  4. Step 4: Simplify right side
    230,424.55x = 71,891,729,806.01
  5. Step 5: Solve for x
    x = 71,891,729,806.01/230,424.55
  6. Step 6: Final answer
    x = 311,996.83

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.