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Finding the Fourth Proportional to 1,132.52, 1,698.83 and 352.54

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Solution

The fourth proportional to 1,132.52, 1,698.83 and 352.54 is: 528.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132.52 : 1,698.83 = 352.54 : x
  2. Step 2: Convert to fraction form
    1,132.52/1,698.83 = 352.54/x
  3. Step 3: Cross multiply
    1,132.52x = 1,698.83 × 352.54
  4. Step 4: Simplify right side
    1,132.52x = 598,895.27
  5. Step 5: Solve for x
    x = 598,895.27/1,132.52
  6. Step 6: Final answer
    x = 528.82

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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.