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Finding the Fourth Proportional to 561,221.24, 774,500.47 and 334,997.96

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Solution

The fourth proportional to 561,221.24, 774,500.47 and 334,997.96 is: 462,306.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,221.24 : 774,500.47 = 334,997.96 : x
  2. Step 2: Convert to fraction form
    561,221.24/774,500.47 = 334,997.96/x
  3. Step 3: Cross multiply
    561,221.24x = 774,500.47 × 334,997.96
  4. Step 4: Simplify right side
    561,221.24x = 259,456,072,759.04
  5. Step 5: Solve for x
    x = 259,456,072,759.04/561,221.24
  6. Step 6: Final answer
    x = 462,306.23

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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.