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Finding the Fourth Proportional to 999,796.67, 1,499,850.53 and 325,721.05

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Solution

The fourth proportional to 999,796.67, 1,499,850.53 and 325,721.05 is: 488,632.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,796.67 : 1,499,850.53 = 325,721.05 : x
  2. Step 2: Convert to fraction form
    999,796.67/1,499,850.53 = 325,721.05/x
  3. Step 3: Cross multiply
    999,796.67x = 1,499,850.53 × 325,721.05
  4. Step 4: Simplify right side
    999,796.67x = 488,532,889,474.66
  5. Step 5: Solve for x
    x = 488,532,889,474.66/999,796.67
  6. Step 6: Final answer
    x = 488,632.24

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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.