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Finding the Fourth Proportional to 467.87, 700.14 and 454.01

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Solution

The fourth proportional to 467.87, 700.14 and 454.01 is: 679.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.87 : 700.14 = 454.01 : x
  2. Step 2: Convert to fraction form
    467.87/700.14 = 454.01/x
  3. Step 3: Cross multiply
    467.87x = 700.14 × 454.01
  4. Step 4: Simplify right side
    467.87x = 317,870.56
  5. Step 5: Solve for x
    x = 317,870.56/467.87
  6. Step 6: Final answer
    x = 679.40

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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.