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Finding the Fourth Proportional to 671,900.91, 927,215.31 and 365,976.33

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Solution

The fourth proportional to 671,900.91, 927,215.31 and 365,976.33 is: 505,043.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,900.91 : 927,215.31 = 365,976.33 : x
  2. Step 2: Convert to fraction form
    671,900.91/927,215.31 = 365,976.33/x
  3. Step 3: Cross multiply
    671,900.91x = 927,215.31 × 365,976.33
  4. Step 4: Simplify right side
    671,900.91x = 339,338,856,273.61
  5. Step 5: Solve for x
    x = 339,338,856,273.61/671,900.91
  6. Step 6: Final answer
    x = 505,043.01

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1.5x scale

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.