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Finding the Fourth Proportional to 366,649.74, 505,592.91 and 271,356.30

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Solution

The fourth proportional to 366,649.74, 505,592.91 and 271,356.30 is: 374,187.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,649.74 : 505,592.91 = 271,356.30 : x
  2. Step 2: Convert to fraction form
    366,649.74/505,592.91 = 271,356.30/x
  3. Step 3: Cross multiply
    366,649.74x = 505,592.91 × 271,356.30
  4. Step 4: Simplify right side
    366,649.74x = 137,195,821,363.83
  5. Step 5: Solve for x
    x = 137,195,821,363.83/366,649.74
  6. Step 6: Final answer
    x = 374,187.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.