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Finding the Fourth Proportional to 467.23, 700.15 and 426.22

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Solution

The fourth proportional to 467.23, 700.15 and 426.22 is: 638.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.23 : 700.15 = 426.22 : x
  2. Step 2: Convert to fraction form
    467.23/700.15 = 426.22/x
  3. Step 3: Cross multiply
    467.23x = 700.15 × 426.22
  4. Step 4: Simplify right side
    467.23x = 298,417.93
  5. Step 5: Solve for x
    x = 298,417.93/467.23
  6. Step 6: Final answer
    x = 638.70

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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.