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Finding the Fourth Proportional to 1,167.73, 1,751.42 and 346.08

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Solution

The fourth proportional to 1,167.73, 1,751.42 and 346.08 is: 519.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167.73 : 1,751.42 = 346.08 : x
  2. Step 2: Convert to fraction form
    1,167.73/1,751.42 = 346.08/x
  3. Step 3: Cross multiply
    1,167.73x = 1,751.42 × 346.08
  4. Step 4: Simplify right side
    1,167.73x = 606,120.95
  5. Step 5: Solve for x
    x = 606,120.95/1,167.73
  6. Step 6: Final answer
    x = 519.06

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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.