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Finding the Fourth Proportional to 609,838.06, 915,594.89 and 310,519.66

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Solution

The fourth proportional to 609,838.06, 915,594.89 and 310,519.66 is: 466,206.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,838.06 : 915,594.89 = 310,519.66 : x
  2. Step 2: Convert to fraction form
    609,838.06/915,594.89 = 310,519.66/x
  3. Step 3: Cross multiply
    609,838.06x = 915,594.89 × 310,519.66
  4. Step 4: Simplify right side
    609,838.06x = 284,310,213,940.54
  5. Step 5: Solve for x
    x = 284,310,213,940.54/609,838.06
  6. Step 6: Final answer
    x = 466,206.08

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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.