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Finding the Fourth Proportional to 325,490.53, 487,858.53 and 192,482.65

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Solution

The fourth proportional to 325,490.53, 487,858.53 and 192,482.65 is: 288,500.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,490.53 : 487,858.53 = 192,482.65 : x
  2. Step 2: Convert to fraction form
    325,490.53/487,858.53 = 192,482.65/x
  3. Step 3: Cross multiply
    325,490.53x = 487,858.53 × 192,482.65
  4. Step 4: Simplify right side
    325,490.53x = 93,904,305,112.56
  5. Step 5: Solve for x
    x = 93,904,305,112.56/325,490.53
  6. Step 6: Final answer
    x = 288,500.89

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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.