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Finding the Fourth Proportional to 322,954.50, 484,510.05 and 101,338.50

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Solution

The fourth proportional to 322,954.50, 484,510.05 and 101,338.50 is: 152,032.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,954.50 : 484,510.05 = 101,338.50 : x
  2. Step 2: Convert to fraction form
    322,954.50/484,510.05 = 101,338.50/x
  3. Step 3: Cross multiply
    322,954.50x = 484,510.05 × 101,338.50
  4. Step 4: Simplify right side
    322,954.50x = 49,099,521,701.93
  5. Step 5: Solve for x
    x = 49,099,521,701.93/322,954.50
  6. Step 6: Final answer
    x = 152,032.32

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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.