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Finding the Fourth Proportional to 536,447.31, 740,310.33 and 294,745.56

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Solution

The fourth proportional to 536,447.31, 740,310.33 and 294,745.56 is: 406,756.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,447.31 : 740,310.33 = 294,745.56 : x
  2. Step 2: Convert to fraction form
    536,447.31/740,310.33 = 294,745.56/x
  3. Step 3: Cross multiply
    536,447.31x = 740,310.33 × 294,745.56
  4. Step 4: Simplify right side
    536,447.31x = 218,203,182,789.64
  5. Step 5: Solve for x
    x = 218,203,182,789.64/536,447.31
  6. Step 6: Final answer
    x = 406,756.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.