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Finding the Fourth Proportional to 303,017.93, 454,660.78 and 158,889.33

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Solution

The fourth proportional to 303,017.93, 454,660.78 and 158,889.33 is: 238,404.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,017.93 : 454,660.78 = 158,889.33 : x
  2. Step 2: Convert to fraction form
    303,017.93/454,660.78 = 158,889.33/x
  3. Step 3: Cross multiply
    303,017.93x = 454,660.78 × 158,889.33
  4. Step 4: Simplify right side
    303,017.93x = 72,240,746,711.48
  5. Step 5: Solve for x
    x = 72,240,746,711.48/303,017.93
  6. Step 6: Final answer
    x = 238,404.20

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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.