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Finding the Fourth Proportional to 867.04, 1,196.88 and 552.32

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Solution

The fourth proportional to 867.04, 1,196.88 and 552.32 is: 762.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    867.04 : 1,196.88 = 552.32 : x
  2. Step 2: Convert to fraction form
    867.04/1,196.88 = 552.32/x
  3. Step 3: Cross multiply
    867.04x = 1,196.88 × 552.32
  4. Step 4: Simplify right side
    867.04x = 661,057.19
  5. Step 5: Solve for x
    x = 661,057.19/867.04
  6. Step 6: Final answer
    x = 762.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.