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Finding the Fourth Proportional to 1,468.67, 2,202.59 and 636.01

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Solution

The fourth proportional to 1,468.67, 2,202.59 and 636.01 is: 953.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,468.67 : 2,202.59 = 636.01 : x
  2. Step 2: Convert to fraction form
    1,468.67/2,202.59 = 636.01/x
  3. Step 3: Cross multiply
    1,468.67x = 2,202.59 × 636.01
  4. Step 4: Simplify right side
    1,468.67x = 1,400,865.35
  5. Step 5: Solve for x
    x = 1,400,865.35/1,468.67
  6. Step 6: Final answer
    x = 953.84

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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.