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Finding the Fourth Proportional to 551,266.85, 826,725.21 and 177,202.37

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Solution

The fourth proportional to 551,266.85, 826,725.21 and 177,202.37 is: 265,747.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,266.85 : 826,725.21 = 177,202.37 : x
  2. Step 2: Convert to fraction form
    551,266.85/826,725.21 = 177,202.37/x
  3. Step 3: Cross multiply
    551,266.85x = 826,725.21 × 177,202.37
  4. Step 4: Simplify right side
    551,266.85x = 146,497,662,417.12
  5. Step 5: Solve for x
    x = 146,497,662,417.12/551,266.85
  6. Step 6: Final answer
    x = 265,747.28

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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.