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Finding the Fourth Proportional to 256,737.30, 384,069.15 and 222,062.10

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Solution

The fourth proportional to 256,737.30, 384,069.15 and 222,062.10 is: 332,196.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,737.30 : 384,069.15 = 222,062.10 : x
  2. Step 2: Convert to fraction form
    256,737.30/384,069.15 = 222,062.10/x
  3. Step 3: Cross multiply
    256,737.30x = 384,069.15 × 222,062.10
  4. Step 4: Simplify right side
    256,737.30x = 85,287,201,994.22
  5. Step 5: Solve for x
    x = 85,287,201,994.22/256,737.30
  6. Step 6: Final answer
    x = 332,196.38

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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.