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Finding the Fourth Proportional to 404,482.60, 606,723.90 and 254,891.80

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Solution

The fourth proportional to 404,482.60, 606,723.90 and 254,891.80 is: 382,337.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,482.60 : 606,723.90 = 254,891.80 : x
  2. Step 2: Convert to fraction form
    404,482.60/606,723.90 = 254,891.80/x
  3. Step 3: Cross multiply
    404,482.60x = 606,723.90 × 254,891.80
  4. Step 4: Simplify right side
    404,482.60x = 154,648,946,974.02
  5. Step 5: Solve for x
    x = 154,648,946,974.02/404,482.60
  6. Step 6: Final answer
    x = 382,337.70

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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.