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Finding the Fourth Proportional to 551,648.69, 827,473.08 and 177,671.69

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Solution

The fourth proportional to 551,648.69, 827,473.08 and 177,671.69 is: 266,507.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,648.69 : 827,473.08 = 177,671.69 : x
  2. Step 2: Convert to fraction form
    551,648.69/827,473.08 = 177,671.69/x
  3. Step 3: Cross multiply
    551,648.69x = 827,473.08 × 177,671.69
  4. Step 4: Simplify right side
    551,648.69x = 147,018,540,553.11
  5. Step 5: Solve for x
    x = 147,018,540,553.11/551,648.69
  6. Step 6: Final answer
    x = 266,507.55

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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.