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Finding the Fourth Proportional to 267,356.30, 401,034.45 and 265,513.10

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Solution

The fourth proportional to 267,356.30, 401,034.45 and 265,513.10 is: 398,269.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,356.30 : 401,034.45 = 265,513.10 : x
  2. Step 2: Convert to fraction form
    267,356.30/401,034.45 = 265,513.10/x
  3. Step 3: Cross multiply
    267,356.30x = 401,034.45 × 265,513.10
  4. Step 4: Simplify right side
    267,356.30x = 106,479,900,026.30
  5. Step 5: Solve for x
    x = 106,479,900,026.30/267,356.30
  6. Step 6: Final answer
    x = 398,269.65

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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.