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Finding the Fourth Proportional to 303,228.81, 454,843.22 and 170,202.51

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Solution

The fourth proportional to 303,228.81, 454,843.22 and 170,202.51 is: 255,303.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,228.81 : 454,843.22 = 170,202.51 : x
  2. Step 2: Convert to fraction form
    303,228.81/454,843.22 = 170,202.51/x
  3. Step 3: Cross multiply
    303,228.81x = 454,843.22 × 170,202.51
  4. Step 4: Simplify right side
    303,228.81x = 77,415,456,849.47
  5. Step 5: Solve for x
    x = 77,415,456,849.47/303,228.81
  6. Step 6: Final answer
    x = 255,303.77

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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.