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Finding the Fourth Proportional to 570,785.67, 856,104.53 and 215,753.49

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Solution

The fourth proportional to 570,785.67, 856,104.53 and 215,753.49 is: 323,602.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,785.67 : 856,104.53 = 215,753.49 : x
  2. Step 2: Convert to fraction form
    570,785.67/856,104.53 = 215,753.49/x
  3. Step 3: Cross multiply
    570,785.67x = 856,104.53 × 215,753.49
  4. Step 4: Simplify right side
    570,785.67x = 184,707,539,073.54
  5. Step 5: Solve for x
    x = 184,707,539,073.54/570,785.67
  6. Step 6: Final answer
    x = 323,602.27

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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.