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Finding the Fourth Proportional to 423,321.54, 584,183.22 and 232,335.42

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Solution

The fourth proportional to 423,321.54, 584,183.22 and 232,335.42 is: 320,622.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,321.54 : 584,183.22 = 232,335.42 : x
  2. Step 2: Convert to fraction form
    423,321.54/584,183.22 = 232,335.42/x
  3. Step 3: Cross multiply
    423,321.54x = 584,183.22 × 232,335.42
  4. Step 4: Simplify right side
    423,321.54x = 135,726,453,775.65
  5. Step 5: Solve for x
    x = 135,726,453,775.65/423,321.54
  6. Step 6: Final answer
    x = 320,622.60

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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.