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Finding the Fourth Proportional to 491,286.60, 736,929.90 and 366,870.60

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Solution

The fourth proportional to 491,286.60, 736,929.90 and 366,870.60 is: 550,305.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,286.60 : 736,929.90 = 366,870.60 : x
  2. Step 2: Convert to fraction form
    491,286.60/736,929.90 = 366,870.60/x
  3. Step 3: Cross multiply
    491,286.60x = 736,929.90 × 366,870.60
  4. Step 4: Simplify right side
    491,286.60x = 270,357,914,570.94
  5. Step 5: Solve for x
    x = 270,357,914,570.94/491,286.60
  6. Step 6: Final answer
    x = 550,305.90

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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.