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Finding the Fourth Proportional to 633,424.88, 873,883.14 and 361,507.88

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Solution

The fourth proportional to 633,424.88, 873,883.14 and 361,507.88 is: 498,742.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,424.88 : 873,883.14 = 361,507.88 : x
  2. Step 2: Convert to fraction form
    633,424.88/873,883.14 = 361,507.88/x
  3. Step 3: Cross multiply
    633,424.88x = 873,883.14 × 361,507.88
  4. Step 4: Simplify right side
    633,424.88x = 315,915,641,309.14
  5. Step 5: Solve for x
    x = 315,915,641,309.14/633,424.88
  6. Step 6: Final answer
    x = 498,742.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.