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Finding the Fourth Proportional to 415,997.53, 574,027.21 and 234,698.87

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Solution

The fourth proportional to 415,997.53, 574,027.21 and 234,698.87 is: 323,856.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,997.53 : 574,027.21 = 234,698.87 : x
  2. Step 2: Convert to fraction form
    415,997.53/574,027.21 = 234,698.87/x
  3. Step 3: Cross multiply
    415,997.53x = 574,027.21 × 234,698.87
  4. Step 4: Simplify right side
    415,997.53x = 134,723,538,384.57
  5. Step 5: Solve for x
    x = 134,723,538,384.57/415,997.53
  6. Step 6: Final answer
    x = 323,856.58

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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.