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Finding the Fourth Proportional to 609,531.69, 914,357.63 and 210,119.91

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Solution

The fourth proportional to 609,531.69, 914,357.63 and 210,119.91 is: 315,200.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,531.69 : 914,357.63 = 210,119.91 : x
  2. Step 2: Convert to fraction form
    609,531.69/914,357.63 = 210,119.91/x
  3. Step 3: Cross multiply
    609,531.69x = 914,357.63 × 210,119.91
  4. Step 4: Simplify right side
    609,531.69x = 192,124,741,872.81
  5. Step 5: Solve for x
    x = 192,124,741,872.81/609,531.69
  6. Step 6: Final answer
    x = 315,200.58

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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.