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Finding the Fourth Proportional to 570,789.38, 856,224.02 and 229,232.84

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Solution

The fourth proportional to 570,789.38, 856,224.02 and 229,232.84 is: 343,865.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,789.38 : 856,224.02 = 229,232.84 : x
  2. Step 2: Convert to fraction form
    570,789.38/856,224.02 = 229,232.84/x
  3. Step 3: Cross multiply
    570,789.38x = 856,224.02 × 229,232.84
  4. Step 4: Simplify right side
    570,789.38x = 196,274,658,783.34
  5. Step 5: Solve for x
    x = 196,274,658,783.34/570,789.38
  6. Step 6: Final answer
    x = 343,865.29

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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.