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Finding the Fourth Proportional to 550,897.65, 826,055.78 and 171,747.72

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Solution

The fourth proportional to 550,897.65, 826,055.78 and 171,747.72 is: 257,530.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,897.65 : 826,055.78 = 171,747.72 : x
  2. Step 2: Convert to fraction form
    550,897.65/826,055.78 = 171,747.72/x
  3. Step 3: Cross multiply
    550,897.65x = 826,055.78 × 171,747.72
  4. Step 4: Simplify right side
    550,897.65x = 141,873,195,949.08
  5. Step 5: Solve for x
    x = 141,873,195,949.08/550,897.65
  6. Step 6: Final answer
    x = 257,530.95

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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.