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Finding the Fourth Proportional to 605,424.60, 907,748.10 and 250,579.80

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Solution

The fourth proportional to 605,424.60, 907,748.10 and 250,579.80 is: 375,708.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,424.60 : 907,748.10 = 250,579.80 : x
  2. Step 2: Convert to fraction form
    605,424.60/907,748.10 = 250,579.80/x
  3. Step 3: Cross multiply
    605,424.60x = 907,748.10 × 250,579.80
  4. Step 4: Simplify right side
    605,424.60x = 227,463,337,348.38
  5. Step 5: Solve for x
    x = 227,463,337,348.38/605,424.60
  6. Step 6: Final answer
    x = 375,708.78

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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.