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Finding the Fourth Proportional to 537,540.70, 805,965.45 and 222,123.10

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Solution

The fourth proportional to 537,540.70, 805,965.45 and 222,123.10 is: 333,041.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,540.70 : 805,965.45 = 222,123.10 : x
  2. Step 2: Convert to fraction form
    537,540.70/805,965.45 = 222,123.10/x
  3. Step 3: Cross multiply
    537,540.70x = 805,965.45 × 222,123.10
  4. Step 4: Simplify right side
    537,540.70x = 179,023,544,246.90
  5. Step 5: Solve for x
    x = 179,023,544,246.90/537,540.70
  6. Step 6: Final answer
    x = 333,041.84

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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.