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Finding the Fourth Proportional to 325,800.72, 488,400.12 and 226,007.64

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Solution

The fourth proportional to 325,800.72, 488,400.12 and 226,007.64 is: 338,802.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,800.72 : 488,400.12 = 226,007.64 : x
  2. Step 2: Convert to fraction form
    325,800.72/488,400.12 = 226,007.64/x
  3. Step 3: Cross multiply
    325,800.72x = 488,400.12 × 226,007.64
  4. Step 4: Simplify right side
    325,800.72x = 110,382,158,496.92
  5. Step 5: Solve for x
    x = 110,382,158,496.92/325,800.72
  6. Step 6: Final answer
    x = 338,802.68

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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.