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Finding the Fourth Proportional to 1,333.40, 2,000.12 and 467.73

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Solution

The fourth proportional to 1,333.40, 2,000.12 and 467.73 is: 701.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333.40 : 2,000.12 = 467.73 : x
  2. Step 2: Convert to fraction form
    1,333.40/2,000.12 = 467.73/x
  3. Step 3: Cross multiply
    1,333.40x = 2,000.12 × 467.73
  4. Step 4: Simplify right side
    1,333.40x = 935,513.79
  5. Step 5: Solve for x
    x = 935,513.79/1,333.40
  6. Step 6: Final answer
    x = 701.60

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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.