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Finding the Fourth Proportional to 373,752.80, 560,629.20 and 299,794.40

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Solution

The fourth proportional to 373,752.80, 560,629.20 and 299,794.40 is: 449,691.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,752.80 : 560,629.20 = 299,794.40 : x
  2. Step 2: Convert to fraction form
    373,752.80/560,629.20 = 299,794.40/x
  3. Step 3: Cross multiply
    373,752.80x = 560,629.20 × 299,794.40
  4. Step 4: Simplify right side
    373,752.80x = 168,073,494,636.48
  5. Step 5: Solve for x
    x = 168,073,494,636.48/373,752.80
  6. Step 6: Final answer
    x = 449,691.60

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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.