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Finding the Fourth Proportional to 1,011.92, 1,396.24 and 592.19

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Solution

The fourth proportional to 1,011.92, 1,396.24 and 592.19 is: 817.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011.92 : 1,396.24 = 592.19 : x
  2. Step 2: Convert to fraction form
    1,011.92/1,396.24 = 592.19/x
  3. Step 3: Cross multiply
    1,011.92x = 1,396.24 × 592.19
  4. Step 4: Simplify right side
    1,011.92x = 826,839.37
  5. Step 5: Solve for x
    x = 826,839.37/1,011.92
  6. Step 6: Final answer
    x = 817.10

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.