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Finding the Fourth Proportional to 900.62, 1,349.30 and 467.27

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Solution

The fourth proportional to 900.62, 1,349.30 and 467.27 is: 700.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    900.62 : 1,349.30 = 467.27 : x
  2. Step 2: Convert to fraction form
    900.62/1,349.30 = 467.27/x
  3. Step 3: Cross multiply
    900.62x = 1,349.30 × 467.27
  4. Step 4: Simplify right side
    900.62x = 630,478.33
  5. Step 5: Solve for x
    x = 630,478.33/900.62
  6. Step 6: Final answer
    x = 700.05

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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.