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Finding the Fourth Proportional to 570,758.67, 856,146.38 and 271,269.81

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Solution

The fourth proportional to 570,758.67, 856,146.38 and 271,269.81 is: 406,908.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,758.67 : 856,146.38 = 271,269.81 : x
  2. Step 2: Convert to fraction form
    570,758.67/856,146.38 = 271,269.81/x
  3. Step 3: Cross multiply
    570,758.67x = 856,146.38 × 271,269.81
  4. Step 4: Simplify right side
    570,758.67x = 232,246,664,478.44
  5. Step 5: Solve for x
    x = 232,246,664,478.44/570,758.67
  6. Step 6: Final answer
    x = 406,908.69

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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.