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Finding the Fourth Proportional to 597,938.80, 896,908.20 and 491,650.60

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Solution

The fourth proportional to 597,938.80, 896,908.20 and 491,650.60 is: 737,475.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,938.80 : 896,908.20 = 491,650.60 : x
  2. Step 2: Convert to fraction form
    597,938.80/896,908.20 = 491,650.60/x
  3. Step 3: Cross multiply
    597,938.80x = 896,908.20 × 491,650.60
  4. Step 4: Simplify right side
    597,938.80x = 440,965,454,674.92
  5. Step 5: Solve for x
    x = 440,965,454,674.92/597,938.80
  6. Step 6: Final answer
    x = 737,475.90

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Double scale
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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.