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Finding the Fourth Proportional to 229,737.87, 344,561.37 and 218,345.28

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Solution

The fourth proportional to 229,737.87, 344,561.37 and 218,345.28 is: 327,474.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,737.87 : 344,561.37 = 218,345.28 : x
  2. Step 2: Convert to fraction form
    229,737.87/344,561.37 = 218,345.28/x
  3. Step 3: Cross multiply
    229,737.87x = 344,561.37 × 218,345.28
  4. Step 4: Simplify right side
    229,737.87x = 75,233,348,809.83
  5. Step 5: Solve for x
    x = 75,233,348,809.83/229,737.87
  6. Step 6: Final answer
    x = 327,474.74

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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.