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Finding the Fourth Proportional to 1,333.63, 2,000.31 and 467.88

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Solution

The fourth proportional to 1,333.63, 2,000.31 and 467.88 is: 701.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333.63 : 2,000.31 = 467.88 : x
  2. Step 2: Convert to fraction form
    1,333.63/2,000.31 = 467.88/x
  3. Step 3: Cross multiply
    1,333.63x = 2,000.31 × 467.88
  4. Step 4: Simplify right side
    1,333.63x = 935,905.04
  5. Step 5: Solve for x
    x = 935,905.04/1,333.63
  6. Step 6: Final answer
    x = 701.77

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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.