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Finding the Fourth Proportional to 491,260.60, 736,890.90 and 366,844.60

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Solution

The fourth proportional to 491,260.60, 736,890.90 and 366,844.60 is: 550,266.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,260.60 : 736,890.90 = 366,844.60 : x
  2. Step 2: Convert to fraction form
    491,260.60/736,890.90 = 366,844.60/x
  3. Step 3: Cross multiply
    491,260.60x = 736,890.90 × 366,844.60
  4. Step 4: Simplify right side
    491,260.60x = 270,324,447,454.14
  5. Step 5: Solve for x
    x = 270,324,447,454.14/491,260.60
  6. Step 6: Final answer
    x = 550,266.90

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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.