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Finding the Fourth Proportional to 551,290.56, 827,053.62 and 191,472.54

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Solution

The fourth proportional to 551,290.56, 827,053.62 and 191,472.54 is: 287,249.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,290.56 : 827,053.62 = 191,472.54 : x
  2. Step 2: Convert to fraction form
    551,290.56/827,053.62 = 191,472.54/x
  3. Step 3: Cross multiply
    551,290.56x = 827,053.62 × 191,472.54
  4. Step 4: Simplify right side
    551,290.56x = 158,358,057,337.60
  5. Step 5: Solve for x
    x = 158,358,057,337.60/551,290.56
  6. Step 6: Final answer
    x = 287,249.72

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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.