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Finding the Fourth Proportional to 536,866.20, 805,297.20 and 137,506.44

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Solution

The fourth proportional to 536,866.20, 805,297.20 and 137,506.44 is: 206,259.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,866.20 : 805,297.20 = 137,506.44 : x
  2. Step 2: Convert to fraction form
    536,866.20/805,297.20 = 137,506.44/x
  3. Step 3: Cross multiply
    536,866.20x = 805,297.20 × 137,506.44
  4. Step 4: Simplify right side
    536,866.20x = 110,733,551,113.97
  5. Step 5: Solve for x
    x = 110,733,551,113.97/536,866.20
  6. Step 6: Final answer
    x = 206,259.12

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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.