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Finding the Fourth Proportional to 265,550.48, 398,399.64 and 115,804.04

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Solution

The fourth proportional to 265,550.48, 398,399.64 and 115,804.04 is: 173,738.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,550.48 : 398,399.64 = 115,804.04 : x
  2. Step 2: Convert to fraction form
    265,550.48/398,399.64 = 115,804.04/x
  3. Step 3: Cross multiply
    265,550.48x = 398,399.64 × 115,804.04
  4. Step 4: Simplify right side
    265,550.48x = 46,136,287,846.55
  5. Step 5: Solve for x
    x = 46,136,287,846.55/265,550.48
  6. Step 6: Final answer
    x = 173,738.30

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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.