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Finding the Fourth Proportional to 486,001.58, 670,682.60 and 271,141.69

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Solution

The fourth proportional to 486,001.58, 670,682.60 and 271,141.69 is: 374,175.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,001.58 : 670,682.60 = 271,141.69 : x
  2. Step 2: Convert to fraction form
    486,001.58/670,682.60 = 271,141.69/x
  3. Step 3: Cross multiply
    486,001.58x = 670,682.60 × 271,141.69
  4. Step 4: Simplify right side
    486,001.58x = 181,850,013,617.59
  5. Step 5: Solve for x
    x = 181,850,013,617.59/486,001.58
  6. Step 6: Final answer
    x = 374,175.77

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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.