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Finding the Fourth Proportional to 299,412.15, 449,118.24 and 239,158.52

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Solution

The fourth proportional to 299,412.15, 449,118.24 and 239,158.52 is: 358,737.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,412.15 : 449,118.24 = 239,158.52 : x
  2. Step 2: Convert to fraction form
    299,412.15/449,118.24 = 239,158.52/x
  3. Step 3: Cross multiply
    299,412.15x = 449,118.24 × 239,158.52
  4. Step 4: Simplify right side
    299,412.15x = 107,410,455,248.31
  5. Step 5: Solve for x
    x = 107,410,455,248.31/299,412.15
  6. Step 6: Final answer
    x = 358,737.79

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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.