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Finding the Fourth Proportional to 576,015.46, 864,408.82 and 239,056.38

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Solution

The fourth proportional to 576,015.46, 864,408.82 and 239,056.38 is: 358,744.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,015.46 : 864,408.82 = 239,056.38 : x
  2. Step 2: Convert to fraction form
    576,015.46/864,408.82 = 239,056.38/x
  3. Step 3: Cross multiply
    576,015.46x = 864,408.82 × 239,056.38
  4. Step 4: Simplify right side
    576,015.46x = 206,642,446,889.63
  5. Step 5: Solve for x
    x = 206,642,446,889.63/576,015.46
  6. Step 6: Final answer
    x = 358,744.62

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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.