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Finding the Fourth Proportional to 550,605.69, 825,820.20 and 151,153.20

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Solution

The fourth proportional to 550,605.69, 825,820.20 and 151,153.20 is: 226,705.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,605.69 : 825,820.20 = 151,153.20 : x
  2. Step 2: Convert to fraction form
    550,605.69/825,820.20 = 151,153.20/x
  3. Step 3: Cross multiply
    550,605.69x = 825,820.20 × 151,153.20
  4. Step 4: Simplify right side
    550,605.69x = 124,825,365,854.64
  5. Step 5: Solve for x
    x = 124,825,365,854.64/550,605.69
  6. Step 6: Final answer
    x = 226,705.55

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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.