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Finding the Fourth Proportional to 286,575.43, 395,476.41 and 179,207.71

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Solution

The fourth proportional to 286,575.43, 395,476.41 and 179,207.71 is: 247,308.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,575.43 : 395,476.41 = 179,207.71 : x
  2. Step 2: Convert to fraction form
    286,575.43/395,476.41 = 179,207.71/x
  3. Step 3: Cross multiply
    286,575.43x = 395,476.41 × 179,207.71
  4. Step 4: Simplify right side
    286,575.43x = 70,872,421,795.12
  5. Step 5: Solve for x
    x = 70,872,421,795.12/286,575.43
  6. Step 6: Final answer
    x = 247,308.09

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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.