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Finding the Fourth Proportional to 550,089.66, 825,456.18 and 230,214.79

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Solution

The fourth proportional to 550,089.66, 825,456.18 and 230,214.79 is: 345,456.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,089.66 : 825,456.18 = 230,214.79 : x
  2. Step 2: Convert to fraction form
    550,089.66/825,456.18 = 230,214.79/x
  3. Step 3: Cross multiply
    550,089.66x = 825,456.18 × 230,214.79
  4. Step 4: Simplify right side
    550,089.66x = 190,032,223,028.03
  5. Step 5: Solve for x
    x = 190,032,223,028.03/550,089.66
  6. Step 6: Final answer
    x = 345,456.81

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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.