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Finding the Fourth Proportional to 591.68, 886.60 and 469.64

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Solution

The fourth proportional to 591.68, 886.60 and 469.64 is: 703.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.68 : 886.60 = 469.64 : x
  2. Step 2: Convert to fraction form
    591.68/886.60 = 469.64/x
  3. Step 3: Cross multiply
    591.68x = 886.60 × 469.64
  4. Step 4: Simplify right side
    591.68x = 416,382.82
  5. Step 5: Solve for x
    x = 416,382.82/591.68
  6. Step 6: Final answer
    x = 703.73

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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.