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Finding the Fourth Proportional to 371,799.52, 513,086.16 and 202,034.56

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Solution

The fourth proportional to 371,799.52, 513,086.16 and 202,034.56 is: 278,809.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,799.52 : 513,086.16 = 202,034.56 : x
  2. Step 2: Convert to fraction form
    371,799.52/513,086.16 = 202,034.56/x
  3. Step 3: Cross multiply
    371,799.52x = 513,086.16 × 202,034.56
  4. Step 4: Simplify right side
    371,799.52x = 103,661,136,577.69
  5. Step 5: Solve for x
    x = 103,661,136,577.69/371,799.52
  6. Step 6: Final answer
    x = 278,809.23

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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.