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Finding the Fourth Proportional to 892,167.92, 1,338,513.96 and 359,414.96

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Solution

The fourth proportional to 892,167.92, 1,338,513.96 and 359,414.96 is: 539,228.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,167.92 : 1,338,513.96 = 359,414.96 : x
  2. Step 2: Convert to fraction form
    892,167.92/1,338,513.96 = 359,414.96/x
  3. Step 3: Cross multiply
    892,167.92x = 1,338,513.96 × 359,414.96
  4. Step 4: Simplify right side
    892,167.92x = 481,081,941,392.84
  5. Step 5: Solve for x
    x = 481,081,941,392.84/892,167.92
  6. Step 6: Final answer
    x = 539,228.02

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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.