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Finding the Fourth Proportional to 1,498.98, 2,248.29 and 403.41

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Solution

The fourth proportional to 1,498.98, 2,248.29 and 403.41 is: 605.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,498.98 : 2,248.29 = 403.41 : x
  2. Step 2: Convert to fraction form
    1,498.98/2,248.29 = 403.41/x
  3. Step 3: Cross multiply
    1,498.98x = 2,248.29 × 403.41
  4. Step 4: Simplify right side
    1,498.98x = 906,982.67
  5. Step 5: Solve for x
    x = 906,982.67/1,498.98
  6. Step 6: Final answer
    x = 605.07

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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.