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Finding the Fourth Proportional to 408,022.60, 611,612.70 and 183,490.60

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Solution

The fourth proportional to 408,022.60, 611,612.70 and 183,490.60 is: 275,046.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,022.60 : 611,612.70 = 183,490.60 : x
  2. Step 2: Convert to fraction form
    408,022.60/611,612.70 = 183,490.60/x
  3. Step 3: Cross multiply
    408,022.60x = 611,612.70 × 183,490.60
  4. Step 4: Simplify right side
    408,022.60x = 112,225,181,290.62
  5. Step 5: Solve for x
    x = 112,225,181,290.62/408,022.60
  6. Step 6: Final answer
    x = 275,046.48

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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.