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Finding the Fourth Proportional to 441,605.64, 609,414.05 and 247,986.48

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Solution

The fourth proportional to 441,605.64, 609,414.05 and 247,986.48 is: 342,220.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,605.64 : 609,414.05 = 247,986.48 : x
  2. Step 2: Convert to fraction form
    441,605.64/609,414.05 = 247,986.48/x
  3. Step 3: Cross multiply
    441,605.64x = 609,414.05 × 247,986.48
  4. Step 4: Simplify right side
    441,605.64x = 151,126,445,742.01
  5. Step 5: Solve for x
    x = 151,126,445,742.01/441,605.64
  6. Step 6: Final answer
    x = 342,220.37

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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.