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Finding the Fourth Proportional to 1,460.98, 2,192.74 and 803.46

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Solution

The fourth proportional to 1,460.98, 2,192.74 and 803.46 is: 1,205.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,460.98 : 2,192.74 = 803.46 : x
  2. Step 2: Convert to fraction form
    1,460.98/2,192.74 = 803.46/x
  3. Step 3: Cross multiply
    1,460.98x = 2,192.74 × 803.46
  4. Step 4: Simplify right side
    1,460.98x = 1,761,778.88
  5. Step 5: Solve for x
    x = 1,761,778.88/1,460.98
  6. Step 6: Final answer
    x = 1,205.89

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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.