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Finding the Fourth Proportional to 365,879.57, 548,418.98 and 188,397.23

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Solution

The fourth proportional to 365,879.57, 548,418.98 and 188,397.23 is: 282,389.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,879.57 : 548,418.98 = 188,397.23 : x
  2. Step 2: Convert to fraction form
    365,879.57/548,418.98 = 188,397.23/x
  3. Step 3: Cross multiply
    365,879.57x = 548,418.98 × 188,397.23
  4. Step 4: Simplify right side
    365,879.57x = 103,320,614,440.32
  5. Step 5: Solve for x
    x = 103,320,614,440.32/365,879.57
  6. Step 6: Final answer
    x = 282,389.68

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1.5x scale

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.