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Finding the Fourth Proportional to 569,705.39, 854,977.97 and 270,186.83

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Solution

The fourth proportional to 569,705.39, 854,977.97 and 270,186.83 is: 405,479.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,705.39 : 854,977.97 = 270,186.83 : x
  2. Step 2: Convert to fraction form
    569,705.39/854,977.97 = 270,186.83/x
  3. Step 3: Cross multiply
    569,705.39x = 854,977.97 × 270,186.83
  4. Step 4: Simplify right side
    569,705.39x = 231,003,787,434.14
  5. Step 5: Solve for x
    x = 231,003,787,434.14/569,705.39
  6. Step 6: Final answer
    x = 405,479.38

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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.