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Finding the Fourth Proportional to 444,518.84, 613,369.96 and 269,998.20

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Solution

The fourth proportional to 444,518.84, 613,369.96 and 269,998.20 is: 372,557.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,518.84 : 613,369.96 = 269,998.20 : x
  2. Step 2: Convert to fraction form
    444,518.84/613,369.96 = 269,998.20/x
  3. Step 3: Cross multiply
    444,518.84x = 613,369.96 × 269,998.20
  4. Step 4: Simplify right side
    444,518.84x = 165,608,785,134.07
  5. Step 5: Solve for x
    x = 165,608,785,134.07/444,518.84
  6. Step 6: Final answer
    x = 372,557.40

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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.