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Finding the Fourth Proportional to 609,516.66, 914,335.14 and 210,104.85

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Solution

The fourth proportional to 609,516.66, 914,335.14 and 210,104.85 is: 315,178.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,516.66 : 914,335.14 = 210,104.85 : x
  2. Step 2: Convert to fraction form
    609,516.66/914,335.14 = 210,104.85/x
  3. Step 3: Cross multiply
    609,516.66x = 914,335.14 × 210,104.85
  4. Step 4: Simplify right side
    609,516.66x = 192,106,250,474.24
  5. Step 5: Solve for x
    x = 192,106,250,474.24/609,516.66
  6. Step 6: Final answer
    x = 315,178.01

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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.