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Finding the Fourth Proportional to 633,073.19, 873,724.20 and 361,078.73

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Solution

The fourth proportional to 633,073.19, 873,724.20 and 361,078.73 is: 498,336.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,073.19 : 873,724.20 = 361,078.73 : x
  2. Step 2: Convert to fraction form
    633,073.19/873,724.20 = 361,078.73/x
  3. Step 3: Cross multiply
    633,073.19x = 873,724.20 × 361,078.73
  4. Step 4: Simplify right side
    633,073.19x = 315,483,224,506.27
  5. Step 5: Solve for x
    x = 315,483,224,506.27/633,073.19
  6. Step 6: Final answer
    x = 498,336.10

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1.5x scale

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.