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Finding the Fourth Proportional to 351,834.04, 527,883.90 and 211,691.08

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Solution

The fourth proportional to 351,834.04, 527,883.90 and 211,691.08 is: 317,616.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,834.04 : 527,883.90 = 211,691.08 : x
  2. Step 2: Convert to fraction form
    351,834.04/527,883.90 = 211,691.08/x
  3. Step 3: Cross multiply
    351,834.04x = 527,883.90 × 211,691.08
  4. Step 4: Simplify right side
    351,834.04x = 111,748,312,905.61
  5. Step 5: Solve for x
    x = 111,748,312,905.61/351,834.04
  6. Step 6: Final answer
    x = 317,616.55

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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.