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Finding the Fourth Proportional to 551,544.52, 826,930.82 and 281,756.20

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Solution

The fourth proportional to 551,544.52, 826,930.82 and 281,756.20 is: 422,437.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,544.52 : 826,930.82 = 281,756.20 : x
  2. Step 2: Convert to fraction form
    551,544.52/826,930.82 = 281,756.20/x
  3. Step 3: Cross multiply
    551,544.52x = 826,930.82 × 281,756.20
  4. Step 4: Simplify right side
    551,544.52x = 232,992,885,506.08
  5. Step 5: Solve for x
    x = 232,992,885,506.08/551,544.52
  6. Step 6: Final answer
    x = 422,437.13

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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.