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Finding the Fourth Proportional to 536,459.25, 805,057.94 and 220,916.15

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Solution

The fourth proportional to 536,459.25, 805,057.94 and 220,916.15 is: 331,526.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,459.25 : 805,057.94 = 220,916.15 : x
  2. Step 2: Convert to fraction form
    536,459.25/805,057.94 = 220,916.15/x
  3. Step 3: Cross multiply
    536,459.25x = 805,057.94 × 220,916.15
  4. Step 4: Simplify right side
    536,459.25x = 177,850,297,158.73
  5. Step 5: Solve for x
    x = 177,850,297,158.73/536,459.25
  6. Step 6: Final answer
    x = 331,526.20

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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.