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Finding the Fourth Proportional to 267,458.36, 401,687.19 and 235,448.78

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Solution

The fourth proportional to 267,458.36, 401,687.19 and 235,448.78 is: 353,613.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,458.36 : 401,687.19 = 235,448.78 : x
  2. Step 2: Convert to fraction form
    267,458.36/401,687.19 = 235,448.78/x
  3. Step 3: Cross multiply
    267,458.36x = 401,687.19 × 235,448.78
  4. Step 4: Simplify right side
    267,458.36x = 94,576,756,818.69
  5. Step 5: Solve for x
    x = 94,576,756,818.69/267,458.36
  6. Step 6: Final answer
    x = 353,613.02

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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.