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Finding the Fourth Proportional to 594,191.84, 891,105.60 and 215,067.20

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Solution

The fourth proportional to 594,191.84, 891,105.60 and 215,067.20 is: 322,534.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,191.84 : 891,105.60 = 215,067.20 : x
  2. Step 2: Convert to fraction form
    594,191.84/891,105.60 = 215,067.20/x
  3. Step 3: Cross multiply
    594,191.84x = 891,105.60 × 215,067.20
  4. Step 4: Simplify right side
    594,191.84x = 191,647,586,296.32
  5. Step 5: Solve for x
    x = 191,647,586,296.32/594,191.84
  6. Step 6: Final answer
    x = 322,534.87

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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.