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Finding the Fourth Proportional to 342,615.95, 513,921.05 and 267,799.04

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Solution

The fourth proportional to 342,615.95, 513,921.05 and 267,799.04 is: 401,696.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,615.95 : 513,921.05 = 267,799.04 : x
  2. Step 2: Convert to fraction form
    342,615.95/513,921.05 = 267,799.04/x
  3. Step 3: Cross multiply
    342,615.95x = 513,921.05 × 267,799.04
  4. Step 4: Simplify right side
    342,615.95x = 137,627,561,925.68
  5. Step 5: Solve for x
    x = 137,627,561,925.68/342,615.95
  6. Step 6: Final answer
    x = 401,696.31

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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.