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Finding the Fourth Proportional to 1,132.22, 1,698.41 and 352.29

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Solution

The fourth proportional to 1,132.22, 1,698.41 and 352.29 is: 528.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132.22 : 1,698.41 = 352.29 : x
  2. Step 2: Convert to fraction form
    1,132.22/1,698.41 = 352.29/x
  3. Step 3: Cross multiply
    1,132.22x = 1,698.41 × 352.29
  4. Step 4: Simplify right side
    1,132.22x = 598,332.86
  5. Step 5: Solve for x
    x = 598,332.86/1,132.22
  6. Step 6: Final answer
    x = 528.46

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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.