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Finding the Fourth Proportional to 486,227.35, 670,190.62 and 325,023.58

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Solution

The fourth proportional to 486,227.35, 670,190.62 and 325,023.58 is: 447,995.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,227.35 : 670,190.62 = 325,023.58 : x
  2. Step 2: Convert to fraction form
    486,227.35/670,190.62 = 325,023.58/x
  3. Step 3: Cross multiply
    486,227.35x = 670,190.62 × 325,023.58
  4. Step 4: Simplify right side
    486,227.35x = 217,827,754,594.82
  5. Step 5: Solve for x
    x = 217,827,754,594.82/486,227.35
  6. Step 6: Final answer
    x = 447,995.68

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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.