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Finding the Fourth Proportional to 900.68, 1,351.02 and 467.96

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Solution

The fourth proportional to 900.68, 1,351.02 and 467.96 is: 701.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    900.68 : 1,351.02 = 467.96 : x
  2. Step 2: Convert to fraction form
    900.68/1,351.02 = 467.96/x
  3. Step 3: Cross multiply
    900.68x = 1,351.02 × 467.96
  4. Step 4: Simplify right side
    900.68x = 632,223.32
  5. Step 5: Solve for x
    x = 632,223.32/900.68
  6. Step 6: Final answer
    x = 701.94

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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.