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Finding the Fourth Proportional to 1,334.41, 2,002.34 and 554.95

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Solution

The fourth proportional to 1,334.41, 2,002.34 and 554.95 is: 832.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334.41 : 2,002.34 = 554.95 : x
  2. Step 2: Convert to fraction form
    1,334.41/2,002.34 = 554.95/x
  3. Step 3: Cross multiply
    1,334.41x = 2,002.34 × 554.95
  4. Step 4: Simplify right side
    1,334.41x = 1,111,202.47
  5. Step 5: Solve for x
    x = 1,111,202.47/1,334.41
  6. Step 6: Final answer
    x = 832.73

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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.