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Finding the Fourth Proportional to 613,324.71, 920,135.30 and 192,600.59

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Solution

The fourth proportional to 613,324.71, 920,135.30 and 192,600.59 is: 288,947.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,324.71 : 920,135.30 = 192,600.59 : x
  2. Step 2: Convert to fraction form
    613,324.71/920,135.30 = 192,600.59/x
  3. Step 3: Cross multiply
    613,324.71x = 920,135.30 × 192,600.59
  4. Step 4: Simplify right side
    613,324.71x = 177,218,596,096.15
  5. Step 5: Solve for x
    x = 177,218,596,096.15/613,324.71
  6. Step 6: Final answer
    x = 288,947.43

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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.