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Finding the Fourth Proportional to 1,170.24, 1,755.06 and 348.33

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Solution

The fourth proportional to 1,170.24, 1,755.06 and 348.33 is: 522.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170.24 : 1,755.06 = 348.33 : x
  2. Step 2: Convert to fraction form
    1,170.24/1,755.06 = 348.33/x
  3. Step 3: Cross multiply
    1,170.24x = 1,755.06 × 348.33
  4. Step 4: Simplify right side
    1,170.24x = 611,340.05
  5. Step 5: Solve for x
    x = 611,340.05/1,170.24
  6. Step 6: Final answer
    x = 522.41

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1.5x scale

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.