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Finding the Fourth Proportional to 468.64, 703.60 and 461.60

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Solution

The fourth proportional to 468.64, 703.60 and 461.60 is: 693.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    468.64 : 703.60 = 461.60 : x
  2. Step 2: Convert to fraction form
    468.64/703.60 = 461.60/x
  3. Step 3: Cross multiply
    468.64x = 703.60 × 461.60
  4. Step 4: Simplify right side
    468.64x = 324,781.76
  5. Step 5: Solve for x
    x = 324,781.76/468.64
  6. Step 6: Final answer
    x = 693.03

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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.