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Finding the Fourth Proportional to 609,532.58, 914,359.02 and 210,120.76

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Solution

The fourth proportional to 609,532.58, 914,359.02 and 210,120.76 is: 315,201.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,532.58 : 914,359.02 = 210,120.76 : x
  2. Step 2: Convert to fraction form
    609,532.58/914,359.02 = 210,120.76/x
  3. Step 3: Cross multiply
    609,532.58x = 914,359.02 × 210,120.76
  4. Step 4: Simplify right side
    609,532.58x = 192,125,812,195.26
  5. Step 5: Solve for x
    x = 192,125,812,195.26/609,532.58
  6. Step 6: Final answer
    x = 315,201.88

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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.