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Finding the Fourth Proportional to 382,219.61, 573,486.57 and 168,874.92

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Solution

The fourth proportional to 382,219.61, 573,486.57 and 168,874.92 is: 253,381.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,219.61 : 573,486.57 = 168,874.92 : x
  2. Step 2: Convert to fraction form
    382,219.61/573,486.57 = 168,874.92/x
  3. Step 3: Cross multiply
    382,219.61x = 573,486.57 × 168,874.92
  4. Step 4: Simplify right side
    382,219.61x = 96,847,498,629.82
  5. Step 5: Solve for x
    x = 96,847,498,629.82/382,219.61
  6. Step 6: Final answer
    x = 253,381.82

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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.