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Finding the Fourth Proportional to 550,355.98, 825,478.68 and 151,036.96

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Solution

The fourth proportional to 550,355.98, 825,478.68 and 151,036.96 is: 226,540.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,355.98 : 825,478.68 = 151,036.96 : x
  2. Step 2: Convert to fraction form
    550,355.98/825,478.68 = 151,036.96/x
  3. Step 3: Cross multiply
    550,355.98x = 825,478.68 × 151,036.96
  4. Step 4: Simplify right side
    550,355.98x = 124,677,790,372.01
  5. Step 5: Solve for x
    x = 124,677,790,372.01/550,355.98
  6. Step 6: Final answer
    x = 226,540.27

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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.