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Finding the Fourth Proportional to 400,032.87, 600,033.30 and 220,474.26

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Solution

The fourth proportional to 400,032.87, 600,033.30 and 220,474.26 is: 330,702.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,032.87 : 600,033.30 = 220,474.26 : x
  2. Step 2: Convert to fraction form
    400,032.87/600,033.30 = 220,474.26/x
  3. Step 3: Cross multiply
    400,032.87x = 600,033.30 × 220,474.26
  4. Step 4: Simplify right side
    400,032.87x = 132,291,897,792.86
  5. Step 5: Solve for x
    x = 132,291,897,792.86/400,032.87
  6. Step 6: Final answer
    x = 330,702.57

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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.