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Finding the Fourth Proportional to 854.84, 1,179.41 and 593.01

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Solution

The fourth proportional to 854.84, 1,179.41 and 593.01 is: 818.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    854.84 : 1,179.41 = 593.01 : x
  2. Step 2: Convert to fraction form
    854.84/1,179.41 = 593.01/x
  3. Step 3: Cross multiply
    854.84x = 1,179.41 × 593.01
  4. Step 4: Simplify right side
    854.84x = 699,398.96
  5. Step 5: Solve for x
    x = 699,398.96/854.84
  6. Step 6: Final answer
    x = 818.17

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Double scale
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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.