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Finding the Fourth Proportional to 569,443.70, 854,480.83 and 341,178.38

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Solution

The fourth proportional to 569,443.70, 854,480.83 and 341,178.38 is: 511,956.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,443.70 : 854,480.83 = 341,178.38 : x
  2. Step 2: Convert to fraction form
    569,443.70/854,480.83 = 341,178.38/x
  3. Step 3: Cross multiply
    569,443.70x = 854,480.83 × 341,178.38
  4. Step 4: Simplify right side
    569,443.70x = 291,530,381,474.52
  5. Step 5: Solve for x
    x = 291,530,381,474.52/569,443.70
  6. Step 6: Final answer
    x = 511,956.46

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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.