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Finding the Fourth Proportional to 671,759.92, 927,113.44 and 385,273.84

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Solution

The fourth proportional to 671,759.92, 927,113.44 and 385,273.84 is: 531,726.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,759.92 : 927,113.44 = 385,273.84 : x
  2. Step 2: Convert to fraction form
    671,759.92/927,113.44 = 385,273.84/x
  3. Step 3: Cross multiply
    671,759.92x = 927,113.44 × 385,273.84
  4. Step 4: Simplify right side
    671,759.92x = 357,192,555,144.41
  5. Step 5: Solve for x
    x = 357,192,555,144.41/671,759.92
  6. Step 6: Final answer
    x = 531,726.51

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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.