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Finding the Fourth Proportional to 439,257.84, 605,941.76 and 267,228.24

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Solution

The fourth proportional to 439,257.84, 605,941.76 and 267,228.24 is: 368,632.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,257.84 : 605,941.76 = 267,228.24 : x
  2. Step 2: Convert to fraction form
    439,257.84/605,941.76 = 267,228.24/x
  3. Step 3: Cross multiply
    439,257.84x = 605,941.76 × 267,228.24
  4. Step 4: Simplify right side
    439,257.84x = 161,924,750,067.30
  5. Step 5: Solve for x
    x = 161,924,750,067.30/439,257.84
  6. Step 6: Final answer
    x = 368,632.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.