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Finding the Fourth Proportional to 1,706.74, 2,560.74 and 884.49

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Solution

The fourth proportional to 1,706.74, 2,560.74 and 884.49 is: 1,327.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,706.74 : 2,560.74 = 884.49 : x
  2. Step 2: Convert to fraction form
    1,706.74/2,560.74 = 884.49/x
  3. Step 3: Cross multiply
    1,706.74x = 2,560.74 × 884.49
  4. Step 4: Simplify right side
    1,706.74x = 2,264,948.92
  5. Step 5: Solve for x
    x = 2,264,948.92/1,706.74
  6. Step 6: Final answer
    x = 1,327.06

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Half scale
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Double scale
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Similar ratio
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1.5x scale

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.