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Finding the Fourth Proportional to 603,166.23, 903,370.92 and 287,844.57

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Solution

The fourth proportional to 603,166.23, 903,370.92 and 287,844.57 is: 431,109.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,166.23 : 903,370.92 = 287,844.57 : x
  2. Step 2: Convert to fraction form
    603,166.23/903,370.92 = 287,844.57/x
  3. Step 3: Cross multiply
    603,166.23x = 903,370.92 × 287,844.57
  4. Step 4: Simplify right side
    603,166.23x = 260,030,414,017.90
  5. Step 5: Solve for x
    x = 260,030,414,017.90/603,166.23
  6. Step 6: Final answer
    x = 431,109.04

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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.