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Finding the Fourth Proportional to 552,816.66, 762,505.23 and 338,062.38

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Solution

The fourth proportional to 552,816.66, 762,505.23 and 338,062.38 is: 466,292.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,816.66 : 762,505.23 = 338,062.38 : x
  2. Step 2: Convert to fraction form
    552,816.66/762,505.23 = 338,062.38/x
  3. Step 3: Cross multiply
    552,816.66x = 762,505.23 × 338,062.38
  4. Step 4: Simplify right side
    552,816.66x = 257,774,332,816.25
  5. Step 5: Solve for x
    x = 257,774,332,816.25/552,816.66
  6. Step 6: Final answer
    x = 466,292.63

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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.