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Finding the Fourth Proportional to 665,029.60, 996,888.30 and 327,794.20

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Solution

The fourth proportional to 665,029.60, 996,888.30 and 327,794.20 is: 491,367.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,029.60 : 996,888.30 = 327,794.20 : x
  2. Step 2: Convert to fraction form
    665,029.60/996,888.30 = 327,794.20/x
  3. Step 3: Cross multiply
    665,029.60x = 996,888.30 × 327,794.20
  4. Step 4: Simplify right side
    665,029.60x = 326,774,202,787.86
  5. Step 5: Solve for x
    x = 326,774,202,787.86/665,029.60
  6. Step 6: Final answer
    x = 491,367.91

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1.5x scale

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.