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Finding the Fourth Proportional to 896.32, 1,236 and 585.92

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Solution

The fourth proportional to 896.32, 1,236 and 585.92 is: 807.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    896.32 : 1,236 = 585.92 : x
  2. Step 2: Convert to fraction form
    896.32/1,236 = 585.92/x
  3. Step 3: Cross multiply
    896.32x = 1,236 × 585.92
  4. Step 4: Simplify right side
    896.32x = 724,197.12
  5. Step 5: Solve for x
    x = 724,197.12/896.32
  6. Step 6: Final answer
    x = 807.97

Related Problems

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.