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Finding the Fourth Proportional to 267,357.30, 401,035.95 and 265,514.10

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Solution

The fourth proportional to 267,357.30, 401,035.95 and 265,514.10 is: 398,271.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,357.30 : 401,035.95 = 265,514.10 : x
  2. Step 2: Convert to fraction form
    267,357.30/401,035.95 = 265,514.10/x
  3. Step 3: Cross multiply
    267,357.30x = 401,035.95 × 265,514.10
  4. Step 4: Simplify right side
    267,357.30x = 106,480,699,331.90
  5. Step 5: Solve for x
    x = 106,480,699,331.90/267,357.30
  6. Step 6: Final answer
    x = 398,271.15

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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.