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Finding the Fourth Proportional to 844.82, 1,166.39 and 546.18

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Solution

The fourth proportional to 844.82, 1,166.39 and 546.18 is: 754.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    844.82 : 1,166.39 = 546.18 : x
  2. Step 2: Convert to fraction form
    844.82/1,166.39 = 546.18/x
  3. Step 3: Cross multiply
    844.82x = 1,166.39 × 546.18
  4. Step 4: Simplify right side
    844.82x = 637,058.89
  5. Step 5: Solve for x
    x = 637,058.89/844.82
  6. Step 6: Final answer
    x = 754.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.