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Finding the Fourth Proportional to 408,850.60, 613,275.90 and 302,562.40

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Solution

The fourth proportional to 408,850.60, 613,275.90 and 302,562.40 is: 453,843.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,850.60 : 613,275.90 = 302,562.40 : x
  2. Step 2: Convert to fraction form
    408,850.60/613,275.90 = 302,562.40/x
  3. Step 3: Cross multiply
    408,850.60x = 613,275.90 × 302,562.40
  4. Step 4: Simplify right side
    408,850.60x = 185,554,228,166.16
  5. Step 5: Solve for x
    x = 185,554,228,166.16/408,850.60
  6. Step 6: Final answer
    x = 453,843.60

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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.