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Finding the Fourth Proportional to 802,073.62, 1,203,238.86 and 322,300.54

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Solution

The fourth proportional to 802,073.62, 1,203,238.86 and 322,300.54 is: 483,502.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,073.62 : 1,203,238.86 = 322,300.54 : x
  2. Step 2: Convert to fraction form
    802,073.62/1,203,238.86 = 322,300.54/x
  3. Step 3: Cross multiply
    802,073.62x = 1,203,238.86 × 322,300.54
  4. Step 4: Simplify right side
    802,073.62x = 387,804,534,326.98
  5. Step 5: Solve for x
    x = 387,804,534,326.98/802,073.62
  6. Step 6: Final answer
    x = 483,502.42

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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.