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Finding the Fourth Proportional to 568,297.64, 852,586.79 and 168,936.72

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Solution

The fourth proportional to 568,297.64, 852,586.79 and 168,936.72 is: 253,446.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,297.64 : 852,586.79 = 168,936.72 : x
  2. Step 2: Convert to fraction form
    568,297.64/852,586.79 = 168,936.72/x
  3. Step 3: Cross multiply
    568,297.64x = 852,586.79 × 168,936.72
  4. Step 4: Simplify right side
    568,297.64x = 144,033,214,973.25
  5. Step 5: Solve for x
    x = 144,033,214,973.25/568,297.64
  6. Step 6: Final answer
    x = 253,446.80

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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.