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Finding the Fourth Proportional to 536,892.96, 805,494.96 and 221,187.36

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Solution

The fourth proportional to 536,892.96, 805,494.96 and 221,187.36 is: 331,845.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,892.96 : 805,494.96 = 221,187.36 : x
  2. Step 2: Convert to fraction form
    536,892.96/805,494.96 = 221,187.36/x
  3. Step 3: Cross multiply
    536,892.96x = 805,494.96 × 221,187.36
  4. Step 4: Simplify right side
    536,892.96x = 178,165,303,695.71
  5. Step 5: Solve for x
    x = 178,165,303,695.71/536,892.96
  6. Step 6: Final answer
    x = 331,845.11

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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.