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Finding the Fourth Proportional to 466.55, 697.93 and 425.69

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Solution

The fourth proportional to 466.55, 697.93 and 425.69 is: 636.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    466.55 : 697.93 = 425.69 : x
  2. Step 2: Convert to fraction form
    466.55/697.93 = 425.69/x
  3. Step 3: Cross multiply
    466.55x = 697.93 × 425.69
  4. Step 4: Simplify right side
    466.55x = 297,101.82
  5. Step 5: Solve for x
    x = 297,101.82/466.55
  6. Step 6: Final answer
    x = 636.81

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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.