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Finding the Fourth Proportional to 366,835.60, 506,323.12 and 223,674.56

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Solution

The fourth proportional to 366,835.60, 506,323.12 and 223,674.56 is: 308,725.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,835.60 : 506,323.12 = 223,674.56 : x
  2. Step 2: Convert to fraction form
    366,835.60/506,323.12 = 223,674.56/x
  3. Step 3: Cross multiply
    366,835.60x = 506,323.12 × 223,674.56
  4. Step 4: Simplify right side
    366,835.60x = 113,251,601,083.83
  5. Step 5: Solve for x
    x = 113,251,601,083.83/366,835.60
  6. Step 6: Final answer
    x = 308,725.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.