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Finding the Fourth Proportional to 342,615.07, 513,919.74 and 267,798.16

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Solution

The fourth proportional to 342,615.07, 513,919.74 and 267,798.16 is: 401,695.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,615.07 : 513,919.74 = 267,798.16 : x
  2. Step 2: Convert to fraction form
    342,615.07/513,919.74 = 267,798.16/x
  3. Step 3: Cross multiply
    342,615.07x = 513,919.74 × 267,798.16
  4. Step 4: Simplify right side
    342,615.07x = 137,626,760,759.68
  5. Step 5: Solve for x
    x = 137,626,760,759.68/342,615.07
  6. Step 6: Final answer
    x = 401,695.00

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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.