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Finding the Fourth Proportional to 1,170.50, 1,755.78 and 467.68

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Solution

The fourth proportional to 1,170.50, 1,755.78 and 467.68 is: 701.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170.50 : 1,755.78 = 467.68 : x
  2. Step 2: Convert to fraction form
    1,170.50/1,755.78 = 467.68/x
  3. Step 3: Cross multiply
    1,170.50x = 1,755.78 × 467.68
  4. Step 4: Simplify right side
    1,170.50x = 821,143.19
  5. Step 5: Solve for x
    x = 821,143.19/1,170.50
  6. Step 6: Final answer
    x = 701.53

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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.