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Finding the Fourth Proportional to 487,852.91, 673,204.49 and 270,046.85

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Solution

The fourth proportional to 487,852.91, 673,204.49 and 270,046.85 is: 372,646.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,852.91 : 673,204.49 = 270,046.85 : x
  2. Step 2: Convert to fraction form
    487,852.91/673,204.49 = 270,046.85/x
  3. Step 3: Cross multiply
    487,852.91x = 673,204.49 × 270,046.85
  4. Step 4: Simplify right side
    487,852.91x = 181,796,751,930.36
  5. Step 5: Solve for x
    x = 181,796,751,930.36/487,852.91
  6. Step 6: Final answer
    x = 372,646.65

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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.