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Finding the Fourth Proportional to 570,906.24, 856,652.52 and 290,422.56

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Solution

The fourth proportional to 570,906.24, 856,652.52 and 290,422.56 is: 435,782.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,906.24 : 856,652.52 = 290,422.56 : x
  2. Step 2: Convert to fraction form
    570,906.24/856,652.52 = 290,422.56/x
  3. Step 3: Cross multiply
    570,906.24x = 856,652.52 × 290,422.56
  4. Step 4: Simplify right side
    570,906.24x = 248,791,217,888.85
  5. Step 5: Solve for x
    x = 248,791,217,888.85/570,906.24
  6. Step 6: Final answer
    x = 435,782.97

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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.