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Finding the Fourth Proportional to 1,132.32, 1,698.52 and 352.33

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Solution

The fourth proportional to 1,132.32, 1,698.52 and 352.33 is: 528.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132.32 : 1,698.52 = 352.33 : x
  2. Step 2: Convert to fraction form
    1,132.32/1,698.52 = 352.33/x
  3. Step 3: Cross multiply
    1,132.32x = 1,698.52 × 352.33
  4. Step 4: Simplify right side
    1,132.32x = 598,431.06
  5. Step 5: Solve for x
    x = 598,431.06/1,132.32
  6. Step 6: Final answer
    x = 528.50

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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.