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Finding the Fourth Proportional to 339,468.06, 468,480.76 and 188,565.06

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Solution

The fourth proportional to 339,468.06, 468,480.76 and 188,565.06 is: 260,228.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,468.06 : 468,480.76 = 188,565.06 : x
  2. Step 2: Convert to fraction form
    339,468.06/468,480.76 = 188,565.06/x
  3. Step 3: Cross multiply
    339,468.06x = 468,480.76 × 188,565.06
  4. Step 4: Simplify right side
    339,468.06x = 88,339,102,618.25
  5. Step 5: Solve for x
    x = 88,339,102,618.25/339,468.06
  6. Step 6: Final answer
    x = 260,228.02

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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.