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Finding the Fourth Proportional to 550,606.94, 825,908.78 and 151,248.11

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Solution

The fourth proportional to 550,606.94, 825,908.78 and 151,248.11 is: 226,871.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,606.94 : 825,908.78 = 151,248.11 : x
  2. Step 2: Convert to fraction form
    550,606.94/825,908.78 = 151,248.11/x
  3. Step 3: Cross multiply
    550,606.94x = 825,908.78 × 151,248.11
  4. Step 4: Simplify right side
    550,606.94x = 124,917,144,450.30
  5. Step 5: Solve for x
    x = 124,917,144,450.30/550,606.94
  6. Step 6: Final answer
    x = 226,871.72

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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.