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Finding the Fourth Proportional to 1,373.31, 2,060.13 and 448.62

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Solution

The fourth proportional to 1,373.31, 2,060.13 and 448.62 is: 672.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373.31 : 2,060.13 = 448.62 : x
  2. Step 2: Convert to fraction form
    1,373.31/2,060.13 = 448.62/x
  3. Step 3: Cross multiply
    1,373.31x = 2,060.13 × 448.62
  4. Step 4: Simplify right side
    1,373.31x = 924,215.52
  5. Step 5: Solve for x
    x = 924,215.52/1,373.31
  6. Step 6: Final answer
    x = 672.98

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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.