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Finding the Fourth Proportional to 570,758.60, 856,194.54 and 211,023.68

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Solution

The fourth proportional to 570,758.60, 856,194.54 and 211,023.68 is: 316,556.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,758.60 : 856,194.54 = 211,023.68 : x
  2. Step 2: Convert to fraction form
    570,758.60/856,194.54 = 211,023.68/x
  3. Step 3: Cross multiply
    570,758.60x = 856,194.54 × 211,023.68
  4. Step 4: Simplify right side
    570,758.60x = 180,677,322,626.71
  5. Step 5: Solve for x
    x = 180,677,322,626.71/570,758.60
  6. Step 6: Final answer
    x = 316,556.46

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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.