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Finding the Fourth Proportional to 202,889.70, 304,334.55 and 192,003.30

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Solution

The fourth proportional to 202,889.70, 304,334.55 and 192,003.30 is: 288,004.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,889.70 : 304,334.55 = 192,003.30 : x
  2. Step 2: Convert to fraction form
    202,889.70/304,334.55 = 192,003.30/x
  3. Step 3: Cross multiply
    202,889.70x = 304,334.55 × 192,003.30
  4. Step 4: Simplify right side
    202,889.70x = 58,433,237,904.02
  5. Step 5: Solve for x
    x = 58,433,237,904.02/202,889.70
  6. Step 6: Final answer
    x = 288,004.95

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1.5x scale

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.