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Finding the Fourth Proportional to 609,509.51, 914,324.66 and 225,359.11

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Solution

The fourth proportional to 609,509.51, 914,324.66 and 225,359.11 is: 338,061.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,509.51 : 914,324.66 = 225,359.11 : x
  2. Step 2: Convert to fraction form
    609,509.51/914,324.66 = 225,359.11/x
  3. Step 3: Cross multiply
    609,509.51x = 914,324.66 × 225,359.11
  4. Step 4: Simplify right side
    609,509.51x = 206,051,392,489.86
  5. Step 5: Solve for x
    x = 206,051,392,489.86/609,509.51
  6. Step 6: Final answer
    x = 338,061.00

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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.