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Finding the Fourth Proportional to 465.68, 698.76 and 177.04

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Solution

The fourth proportional to 465.68, 698.76 and 177.04 is: 265.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    465.68 : 698.76 = 177.04 : x
  2. Step 2: Convert to fraction form
    465.68/698.76 = 177.04/x
  3. Step 3: Cross multiply
    465.68x = 698.76 × 177.04
  4. Step 4: Simplify right side
    465.68x = 123,708.47
  5. Step 5: Solve for x
    x = 123,708.47/465.68
  6. Step 6: Final answer
    x = 265.65

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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.