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Finding the Fourth Proportional to 550,389.60, 825,195.60 and 251,013.60

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Solution

The fourth proportional to 550,389.60, 825,195.60 and 251,013.60 is: 376,343.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,389.60 : 825,195.60 = 251,013.60 : x
  2. Step 2: Convert to fraction form
    550,389.60/825,195.60 = 251,013.60/x
  3. Step 3: Cross multiply
    550,389.60x = 825,195.60 × 251,013.60
  4. Step 4: Simplify right side
    550,389.60x = 207,135,318,260.16
  5. Step 5: Solve for x
    x = 207,135,318,260.16/550,389.60
  6. Step 6: Final answer
    x = 376,343.08

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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.