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Finding the Fourth Proportional to 609,377.91, 914,151.98 and 254,310.63

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Solution

The fourth proportional to 609,377.91, 914,151.98 and 254,310.63 is: 381,501.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,377.91 : 914,151.98 = 254,310.63 : x
  2. Step 2: Convert to fraction form
    609,377.91/914,151.98 = 254,310.63/x
  3. Step 3: Cross multiply
    609,377.91x = 914,151.98 × 254,310.63
  4. Step 4: Simplify right side
    609,377.91x = 232,478,565,949.55
  5. Step 5: Solve for x
    x = 232,478,565,949.55/609,377.91
  6. Step 6: Final answer
    x = 381,501.47

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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.