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Finding the Fourth Proportional to 265,229.12, 366,155.16 and 204,668.72

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Solution

The fourth proportional to 265,229.12, 366,155.16 and 204,668.72 is: 282,550.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,229.12 : 366,155.16 = 204,668.72 : x
  2. Step 2: Convert to fraction form
    265,229.12/366,155.16 = 204,668.72/x
  3. Step 3: Cross multiply
    265,229.12x = 366,155.16 × 204,668.72
  4. Step 4: Simplify right side
    265,229.12x = 74,940,507,918.60
  5. Step 5: Solve for x
    x = 74,940,507,918.60/265,229.12
  6. Step 6: Final answer
    x = 282,550.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.