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Finding the Fourth Proportional to 570,832.88, 856,299.89 and 150,108.75

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Solution

The fourth proportional to 570,832.88, 856,299.89 and 150,108.75 is: 225,176.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,832.88 : 856,299.89 = 150,108.75 : x
  2. Step 2: Convert to fraction form
    570,832.88/856,299.89 = 150,108.75/x
  3. Step 3: Cross multiply
    570,832.88x = 856,299.89 × 150,108.75
  4. Step 4: Simplify right side
    570,832.88x = 128,538,105,362.49
  5. Step 5: Solve for x
    x = 128,538,105,362.49/570,832.88
  6. Step 6: Final answer
    x = 225,176.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.