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Finding the Fourth Proportional to 608,925.75, 913,392.41 and 159,642.59

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Solution

The fourth proportional to 608,925.75, 913,392.41 and 159,642.59 is: 239,464.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,925.75 : 913,392.41 = 159,642.59 : x
  2. Step 2: Convert to fraction form
    608,925.75/913,392.41 = 159,642.59/x
  3. Step 3: Cross multiply
    608,925.75x = 913,392.41 × 159,642.59
  4. Step 4: Simplify right side
    608,925.75x = 145,816,324,653.57
  5. Step 5: Solve for x
    x = 145,816,324,653.57/608,925.75
  6. Step 6: Final answer
    x = 239,464.87

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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.