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Finding the Fourth Proportional to 453,938.22, 680,797.98 and 201,078.90

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Solution

The fourth proportional to 453,938.22, 680,797.98 and 201,078.90 is: 301,569.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,938.22 : 680,797.98 = 201,078.90 : x
  2. Step 2: Convert to fraction form
    453,938.22/680,797.98 = 201,078.90/x
  3. Step 3: Cross multiply
    453,938.22x = 680,797.98 × 201,078.90
  4. Step 4: Simplify right side
    453,938.22x = 136,894,108,940.62
  5. Step 5: Solve for x
    x = 136,894,108,940.62/453,938.22
  6. Step 6: Final answer
    x = 301,569.91

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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.