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Finding the Fourth Proportional to 303,560.55, 418,911.30 and 167,594.47

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Solution

The fourth proportional to 303,560.55, 418,911.30 and 167,594.47 is: 231,279.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,560.55 : 418,911.30 = 167,594.47 : x
  2. Step 2: Convert to fraction form
    303,560.55/418,911.30 = 167,594.47/x
  3. Step 3: Cross multiply
    303,560.55x = 418,911.30 × 167,594.47
  4. Step 4: Simplify right side
    303,560.55x = 70,207,216,462.54
  5. Step 5: Solve for x
    x = 70,207,216,462.54/303,560.55
  6. Step 6: Final answer
    x = 231,279.12

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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.