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Finding the Fourth Proportional to 570,772.17, 856,166.67 and 271,283.31

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Solution

The fourth proportional to 570,772.17, 856,166.67 and 271,283.31 is: 406,928.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,772.17 : 856,166.67 = 271,283.31 : x
  2. Step 2: Convert to fraction form
    570,772.17/856,166.67 = 271,283.31/x
  3. Step 3: Cross multiply
    570,772.17x = 856,166.67 × 271,283.31
  4. Step 4: Simplify right side
    570,772.17x = 232,263,728,149.28
  5. Step 5: Solve for x
    x = 232,263,728,149.28/570,772.17
  6. Step 6: Final answer
    x = 406,928.96

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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.