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Finding the Fourth Proportional to 633,255.36, 873,875.35 and 361,318.31

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Solution

The fourth proportional to 633,255.36, 873,875.35 and 361,318.31 is: 498,609.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,255.36 : 873,875.35 = 361,318.31 : x
  2. Step 2: Convert to fraction form
    633,255.36/873,875.35 = 361,318.31/x
  3. Step 3: Cross multiply
    633,255.36x = 873,875.35 × 361,318.31
  4. Step 4: Simplify right side
    633,255.36x = 315,747,164,612.66
  5. Step 5: Solve for x
    x = 315,747,164,612.66/633,255.36
  6. Step 6: Final answer
    x = 498,609.54

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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.