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Finding the Fourth Proportional to 373,874.04, 515,928.18 and 212,714.04

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Solution

The fourth proportional to 373,874.04, 515,928.18 and 212,714.04 is: 293,535.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,874.04 : 515,928.18 = 212,714.04 : x
  2. Step 2: Convert to fraction form
    373,874.04/515,928.18 = 212,714.04/x
  3. Step 3: Cross multiply
    373,874.04x = 515,928.18 × 212,714.04
  4. Step 4: Simplify right side
    373,874.04x = 109,745,167,517.65
  5. Step 5: Solve for x
    x = 109,745,167,517.65/373,874.04
  6. Step 6: Final answer
    x = 293,535.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.