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Finding the Fourth Proportional to 443,321.24, 611,787.21 and 252,346.92

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Solution

The fourth proportional to 443,321.24, 611,787.21 and 252,346.92 is: 348,240.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,321.24 : 611,787.21 = 252,346.92 : x
  2. Step 2: Convert to fraction form
    443,321.24/611,787.21 = 252,346.92/x
  3. Step 3: Cross multiply
    443,321.24x = 611,787.21 × 252,346.92
  4. Step 4: Simplify right side
    443,321.24x = 154,382,618,138.89
  5. Step 5: Solve for x
    x = 154,382,618,138.89/443,321.24
  6. Step 6: Final answer
    x = 348,240.97

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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.