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Finding the Fourth Proportional to 1,167.03, 1,750.55 and 548.98

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Solution

The fourth proportional to 1,167.03, 1,750.55 and 548.98 is: 823.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167.03 : 1,750.55 = 548.98 : x
  2. Step 2: Convert to fraction form
    1,167.03/1,750.55 = 548.98/x
  3. Step 3: Cross multiply
    1,167.03x = 1,750.55 × 548.98
  4. Step 4: Simplify right side
    1,167.03x = 961,016.94
  5. Step 5: Solve for x
    x = 961,016.94/1,167.03
  6. Step 6: Final answer
    x = 823.47

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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.