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Finding the Fourth Proportional to 534,799.94, 802,183.43 and 219,019.01

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Solution

The fourth proportional to 534,799.94, 802,183.43 and 219,019.01 is: 328,521.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,799.94 : 802,183.43 = 219,019.01 : x
  2. Step 2: Convert to fraction form
    534,799.94/802,183.43 = 219,019.01/x
  3. Step 3: Cross multiply
    534,799.94x = 802,183.43 × 219,019.01
  4. Step 4: Simplify right side
    534,799.94x = 175,693,417,213.64
  5. Step 5: Solve for x
    x = 175,693,417,213.64/534,799.94
  6. Step 6: Final answer
    x = 328,521.76

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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.