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Finding the Fourth Proportional to 570,907.24, 856,380.30 and 271,233.16

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Solution

The fourth proportional to 570,907.24, 856,380.30 and 271,233.16 is: 406,858.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,907.24 : 856,380.30 = 271,233.16 : x
  2. Step 2: Convert to fraction form
    570,907.24/856,380.30 = 271,233.16/x
  3. Step 3: Cross multiply
    570,907.24x = 856,380.30 × 271,233.16
  4. Step 4: Simplify right side
    570,907.24x = 232,278,734,930.75
  5. Step 5: Solve for x
    x = 232,278,734,930.75/570,907.24
  6. Step 6: Final answer
    x = 406,858.98

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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.