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Finding the Fourth Proportional to 632,209.92, 872,464.84 and 360,272

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Solution

The fourth proportional to 632,209.92, 872,464.84 and 360,272 is: 497,183.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,209.92 : 872,464.84 = 360,272 : x
  2. Step 2: Convert to fraction form
    632,209.92/872,464.84 = 360,272/x
  3. Step 3: Cross multiply
    632,209.92x = 872,464.84 × 360,272
  4. Step 4: Simplify right side
    632,209.92x = 314,324,652,836.48
  5. Step 5: Solve for x
    x = 314,324,652,836.48/632,209.92
  6. Step 6: Final answer
    x = 497,183.99

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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.