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Finding the Fourth Proportional to 701.92, 1,057.48 and 532

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Solution

The fourth proportional to 701.92, 1,057.48 and 532 is: 801.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    701.92 : 1,057.48 = 532 : x
  2. Step 2: Convert to fraction form
    701.92/1,057.48 = 532/x
  3. Step 3: Cross multiply
    701.92x = 1,057.48 × 532
  4. Step 4: Simplify right side
    701.92x = 562,579.36
  5. Step 5: Solve for x
    x = 562,579.36/701.92
  6. Step 6: Final answer
    x = 801.49

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.