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Finding the Fourth Proportional to 536,722.66, 805,083.31 and 137,363.64

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Solution

The fourth proportional to 536,722.66, 805,083.31 and 137,363.64 is: 206,045.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,722.66 : 805,083.31 = 137,363.64 : x
  2. Step 2: Convert to fraction form
    536,722.66/805,083.31 = 137,363.64/x
  3. Step 3: Cross multiply
    536,722.66x = 805,083.31 × 137,363.64
  4. Step 4: Simplify right side
    536,722.66x = 110,589,173,964.85
  5. Step 5: Solve for x
    x = 110,589,173,964.85/536,722.66
  6. Step 6: Final answer
    x = 206,045.29

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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.