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Finding the Fourth Proportional to 564,109.31, 846,164.28 and 279,996.14

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Solution

The fourth proportional to 564,109.31, 846,164.28 and 279,996.14 is: 419,994.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,109.31 : 846,164.28 = 279,996.14 : x
  2. Step 2: Convert to fraction form
    564,109.31/846,164.28 = 279,996.14/x
  3. Step 3: Cross multiply
    564,109.31x = 846,164.28 × 279,996.14
  4. Step 4: Simplify right side
    564,109.31x = 236,922,732,205.88
  5. Step 5: Solve for x
    x = 236,922,732,205.88/564,109.31
  6. Step 6: Final answer
    x = 419,994.37

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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.