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Finding the Fourth Proportional to 536,991.12, 805,837.12 and 200,301.11

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Solution

The fourth proportional to 536,991.12, 805,837.12 and 200,301.11 is: 300,582.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,991.12 : 805,837.12 = 200,301.11 : x
  2. Step 2: Convert to fraction form
    536,991.12/805,837.12 = 200,301.11/x
  3. Step 3: Cross multiply
    536,991.12x = 805,837.12 × 200,301.11
  4. Step 4: Simplify right side
    536,991.12x = 161,410,069,615.20
  5. Step 5: Solve for x
    x = 161,410,069,615.20/536,991.12
  6. Step 6: Final answer
    x = 300,582.38

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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.