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Finding the Fourth Proportional to 437,793.52, 656,690.46 and 105,369.52

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Solution

The fourth proportional to 437,793.52, 656,690.46 and 105,369.52 is: 158,054.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,793.52 : 656,690.46 = 105,369.52 : x
  2. Step 2: Convert to fraction form
    437,793.52/656,690.46 = 105,369.52/x
  3. Step 3: Cross multiply
    437,793.52x = 656,690.46 × 105,369.52
  4. Step 4: Simplify right side
    437,793.52x = 69,195,158,558.78
  5. Step 5: Solve for x
    x = 69,195,158,558.78/437,793.52
  6. Step 6: Final answer
    x = 158,054.32

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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.