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Finding the Fourth Proportional to 491,228.60, 736,842.90 and 366,812.60

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Solution

The fourth proportional to 491,228.60, 736,842.90 and 366,812.60 is: 550,218.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,228.60 : 736,842.90 = 366,812.60 : x
  2. Step 2: Convert to fraction form
    491,228.60/736,842.90 = 366,812.60/x
  3. Step 3: Cross multiply
    491,228.60x = 736,842.90 × 366,812.60
  4. Step 4: Simplify right side
    491,228.60x = 270,283,259,940.54
  5. Step 5: Solve for x
    x = 270,283,259,940.54/491,228.60
  6. Step 6: Final answer
    x = 550,218.90

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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.