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Finding the Fourth Proportional to 454,032.78, 680,939.49 and 201,173.46

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Solution

The fourth proportional to 454,032.78, 680,939.49 and 201,173.46 is: 301,711.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,032.78 : 680,939.49 = 201,173.46 : x
  2. Step 2: Convert to fraction form
    454,032.78/680,939.49 = 201,173.46/x
  3. Step 3: Cross multiply
    454,032.78x = 680,939.49 × 201,173.46
  4. Step 4: Simplify right side
    454,032.78x = 136,986,953,253.94
  5. Step 5: Solve for x
    x = 136,986,953,253.94/454,032.78
  6. Step 6: Final answer
    x = 301,711.59

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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.