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Finding the Fourth Proportional to 418,671.26, 577,748.82 and 237,395.48

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Solution

The fourth proportional to 418,671.26, 577,748.82 and 237,395.48 is: 327,595.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,671.26 : 577,748.82 = 237,395.48 : x
  2. Step 2: Convert to fraction form
    418,671.26/577,748.82 = 237,395.48/x
  3. Step 3: Cross multiply
    418,671.26x = 577,748.82 × 237,395.48
  4. Step 4: Simplify right side
    418,671.26x = 137,154,958,443.33
  5. Step 5: Solve for x
    x = 137,154,958,443.33/418,671.26
  6. Step 6: Final answer
    x = 327,595.83

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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.