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Finding the Fourth Proportional to 609,990.63, 914,023.53 and 225,210.35

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Solution

The fourth proportional to 609,990.63, 914,023.53 and 225,210.35 is: 337,460.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,990.63 : 914,023.53 = 225,210.35 : x
  2. Step 2: Convert to fraction form
    609,990.63/914,023.53 = 225,210.35/x
  3. Step 3: Cross multiply
    609,990.63x = 914,023.53 × 225,210.35
  4. Step 4: Simplify right side
    609,990.63x = 205,847,561,384.59
  5. Step 5: Solve for x
    x = 205,847,561,384.59/609,990.63
  6. Step 6: Final answer
    x = 337,460.20

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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.