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Finding the Fourth Proportional to 569,806.11, 854,904.24 and 214,921.62

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Solution

The fourth proportional to 569,806.11, 854,904.24 and 214,921.62 is: 322,456.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,806.11 : 854,904.24 = 214,921.62 : x
  2. Step 2: Convert to fraction form
    569,806.11/854,904.24 = 214,921.62/x
  3. Step 3: Cross multiply
    569,806.11x = 854,904.24 × 214,921.62
  4. Step 4: Simplify right side
    569,806.11x = 183,737,404,205.67
  5. Step 5: Solve for x
    x = 183,737,404,205.67/569,806.11
  6. Step 6: Final answer
    x = 322,456.01

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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.