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Finding the Fourth Proportional to 408,096.30, 612,144.45 and 295,247.10

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Solution

The fourth proportional to 408,096.30, 612,144.45 and 295,247.10 is: 442,870.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,096.30 : 612,144.45 = 295,247.10 : x
  2. Step 2: Convert to fraction form
    408,096.30/612,144.45 = 295,247.10/x
  3. Step 3: Cross multiply
    408,096.30x = 612,144.45 × 295,247.10
  4. Step 4: Simplify right side
    408,096.30x = 180,733,873,643.60
  5. Step 5: Solve for x
    x = 180,733,873,643.60/408,096.30
  6. Step 6: Final answer
    x = 442,870.65

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Similar ratio
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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.