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Finding the Fourth Proportional to 609,656.37, 914,506.56 and 210,310.17

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Solution

The fourth proportional to 609,656.37, 914,506.56 and 210,310.17 is: 315,472.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,656.37 : 914,506.56 = 210,310.17 : x
  2. Step 2: Convert to fraction form
    609,656.37/914,506.56 = 210,310.17/x
  3. Step 3: Cross multiply
    609,656.37x = 914,506.56 × 210,310.17
  4. Step 4: Simplify right side
    609,656.37x = 192,330,030,099.72
  5. Step 5: Solve for x
    x = 192,330,030,099.72/609,656.37
  6. Step 6: Final answer
    x = 315,472.85

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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.