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Finding the Fourth Proportional to 437,520.87, 656,225.96 and 171,468.23

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Solution

The fourth proportional to 437,520.87, 656,225.96 and 171,468.23 is: 257,180.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,520.87 : 656,225.96 = 171,468.23 : x
  2. Step 2: Convert to fraction form
    437,520.87/656,225.96 = 171,468.23/x
  3. Step 3: Cross multiply
    437,520.87x = 656,225.96 × 171,468.23
  4. Step 4: Simplify right side
    437,520.87x = 112,521,899,702.78
  5. Step 5: Solve for x
    x = 112,521,899,702.78/437,520.87
  6. Step 6: Final answer
    x = 257,180.65

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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.