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Finding the Fourth Proportional to 1,016.24, 1,524.35 and 246.74

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Solution

The fourth proportional to 1,016.24, 1,524.35 and 246.74 is: 370.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016.24 : 1,524.35 = 246.74 : x
  2. Step 2: Convert to fraction form
    1,016.24/1,524.35 = 246.74/x
  3. Step 3: Cross multiply
    1,016.24x = 1,524.35 × 246.74
  4. Step 4: Simplify right side
    1,016.24x = 376,110.50
  5. Step 5: Solve for x
    x = 376,110.50/1,016.24
  6. Step 6: Final answer
    x = 370.10

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Double scale
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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.