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Finding the Fourth Proportional to 467.11, 700.98 and 465.40

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Solution

The fourth proportional to 467.11, 700.98 and 465.40 is: 698.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.11 : 700.98 = 465.40 : x
  2. Step 2: Convert to fraction form
    467.11/700.98 = 465.40/x
  3. Step 3: Cross multiply
    467.11x = 700.98 × 465.40
  4. Step 4: Simplify right side
    467.11x = 326,236.09
  5. Step 5: Solve for x
    x = 326,236.09/467.11
  6. Step 6: Final answer
    x = 698.41

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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.