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Finding the Fourth Proportional to 490,704.10, 736,056.15 and 301,747.30

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Solution

The fourth proportional to 490,704.10, 736,056.15 and 301,747.30 is: 452,620.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,704.10 : 736,056.15 = 301,747.30 : x
  2. Step 2: Convert to fraction form
    490,704.10/736,056.15 = 301,747.30/x
  3. Step 3: Cross multiply
    490,704.10x = 736,056.15 × 301,747.30
  4. Step 4: Simplify right side
    490,704.10x = 222,102,955,910.90
  5. Step 5: Solve for x
    x = 222,102,955,910.90/490,704.10
  6. Step 6: Final answer
    x = 452,620.95

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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.