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Finding the Fourth Proportional to 239,686, 359,529 and 64,582

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Solution

The fourth proportional to 239,686, 359,529 and 64,582 is: 96,873

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,686 : 359,529 = 64,582 : x
  2. Step 2: Convert to fraction form
    239,686/359,529 = 64,582/x
  3. Step 3: Cross multiply
    239,686x = 359,529 × 64,582
  4. Step 4: Simplify right side
    239,686x = 23,219,101,878
  5. Step 5: Solve for x
    x = 23,219,101,878/239,686
  6. Step 6: Final answer
    x = 96,873

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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.