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Finding the Fourth Proportional to 279,593.67, 385,843.91 and 152,269.27

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Solution

The fourth proportional to 279,593.67, 385,843.91 and 152,269.27 is: 210,134.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,593.67 : 385,843.91 = 152,269.27 : x
  2. Step 2: Convert to fraction form
    279,593.67/385,843.91 = 152,269.27/x
  3. Step 3: Cross multiply
    279,593.67x = 385,843.91 × 152,269.27
  4. Step 4: Simplify right side
    279,593.67x = 58,752,168,783.69
  5. Step 5: Solve for x
    x = 58,752,168,783.69/279,593.67
  6. Step 6: Final answer
    x = 210,134.11

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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.