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Finding the Fourth Proportional to 536,424.84, 804,639.18 and 181,441.80

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Solution

The fourth proportional to 536,424.84, 804,639.18 and 181,441.80 is: 272,163.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,424.84 : 804,639.18 = 181,441.80 : x
  2. Step 2: Convert to fraction form
    536,424.84/804,639.18 = 181,441.80/x
  3. Step 3: Cross multiply
    536,424.84x = 804,639.18 × 181,441.80
  4. Step 4: Simplify right side
    536,424.84x = 145,995,181,169.72
  5. Step 5: Solve for x
    x = 145,995,181,169.72/536,424.84
  6. Step 6: Final answer
    x = 272,163.35

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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.