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Finding the Fourth Proportional to 570,773.67, 856,168.92 and 271,284.81

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Solution

The fourth proportional to 570,773.67, 856,168.92 and 271,284.81 is: 406,931.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,773.67 : 856,168.92 = 271,284.81 : x
  2. Step 2: Convert to fraction form
    570,773.67/856,168.92 = 271,284.81/x
  3. Step 3: Cross multiply
    570,773.67x = 856,168.92 × 271,284.81
  4. Step 4: Simplify right side
    570,773.67x = 232,265,622,790.11
  5. Step 5: Solve for x
    x = 232,265,622,790.11/570,773.67
  6. Step 6: Final answer
    x = 406,931.21

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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.