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Finding the Fourth Proportional to 536,891.08, 805,920.13 and 217,262.94

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Solution

The fourth proportional to 536,891.08, 805,920.13 and 217,262.94 is: 326,130.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,891.08 : 805,920.13 = 217,262.94 : x
  2. Step 2: Convert to fraction form
    536,891.08/805,920.13 = 217,262.94/x
  3. Step 3: Cross multiply
    536,891.08x = 805,920.13 × 217,262.94
  4. Step 4: Simplify right side
    536,891.08x = 175,096,577,120.56
  5. Step 5: Solve for x
    x = 175,096,577,120.56/536,891.08
  6. Step 6: Final answer
    x = 326,130.54

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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.