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Finding the Fourth Proportional to 550,398.07, 825,508.50 and 150,946.12

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Solution

The fourth proportional to 550,398.07, 825,508.50 and 150,946.12 is: 226,394.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,398.07 : 825,508.50 = 150,946.12 : x
  2. Step 2: Convert to fraction form
    550,398.07/825,508.50 = 150,946.12/x
  3. Step 3: Cross multiply
    550,398.07x = 825,508.50 × 150,946.12
  4. Step 4: Simplify right side
    550,398.07x = 124,607,305,102.02
  5. Step 5: Solve for x
    x = 124,607,305,102.02/550,398.07
  6. Step 6: Final answer
    x = 226,394.88

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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.