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Finding the Fourth Proportional to 303,019.24, 454,662.76 and 158,890.64

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Solution

The fourth proportional to 303,019.24, 454,662.76 and 158,890.64 is: 238,406.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,019.24 : 454,662.76 = 158,890.64 : x
  2. Step 2: Convert to fraction form
    303,019.24/454,662.76 = 158,890.64/x
  3. Step 3: Cross multiply
    303,019.24x = 454,662.76 × 158,890.64
  4. Step 4: Simplify right side
    303,019.24x = 72,241,656,920.57
  5. Step 5: Solve for x
    x = 72,241,656,920.57/303,019.24
  6. Step 6: Final answer
    x = 238,406.17

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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.