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Finding the Fourth Proportional to 551,316.88, 826,450.44 and 177,077.52

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Solution

The fourth proportional to 551,316.88, 826,450.44 and 177,077.52 is: 265,447.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,316.88 : 826,450.44 = 177,077.52 : x
  2. Step 2: Convert to fraction form
    551,316.88/826,450.44 = 177,077.52/x
  3. Step 3: Cross multiply
    551,316.88x = 826,450.44 × 177,077.52
  4. Step 4: Simplify right side
    551,316.88x = 146,345,794,318.11
  5. Step 5: Solve for x
    x = 146,345,794,318.11/551,316.88
  6. Step 6: Final answer
    x = 265,447.69

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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.