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Finding the Fourth Proportional to 325,632.30, 488,448.45 and 219,344.10

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Solution

The fourth proportional to 325,632.30, 488,448.45 and 219,344.10 is: 329,016.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,632.30 : 488,448.45 = 219,344.10 : x
  2. Step 2: Convert to fraction form
    325,632.30/488,448.45 = 219,344.10/x
  3. Step 3: Cross multiply
    325,632.30x = 488,448.45 × 219,344.10
  4. Step 4: Simplify right side
    325,632.30x = 107,138,285,661.65
  5. Step 5: Solve for x
    x = 107,138,285,661.65/325,632.30
  6. Step 6: Final answer
    x = 329,016.15

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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.