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Finding the Fourth Proportional to 1,016.84, 1,525.26 and 247.34

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Solution

The fourth proportional to 1,016.84, 1,525.26 and 247.34 is: 371.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016.84 : 1,525.26 = 247.34 : x
  2. Step 2: Convert to fraction form
    1,016.84/1,525.26 = 247.34/x
  3. Step 3: Cross multiply
    1,016.84x = 1,525.26 × 247.34
  4. Step 4: Simplify right side
    1,016.84x = 377,248.95
  5. Step 5: Solve for x
    x = 377,248.95/1,016.84
  6. Step 6: Final answer
    x = 371.00

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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.