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Finding the Fourth Proportional to 365,380.40, 547,811.40 and 165,796.40

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Solution

The fourth proportional to 365,380.40, 547,811.40 and 165,796.40 is: 248,576.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,380.40 : 547,811.40 = 165,796.40 : x
  2. Step 2: Convert to fraction form
    365,380.40/547,811.40 = 165,796.40/x
  3. Step 3: Cross multiply
    365,380.40x = 547,811.40 × 165,796.40
  4. Step 4: Simplify right side
    365,380.40x = 90,825,157,998.96
  5. Step 5: Solve for x
    x = 90,825,157,998.96/365,380.40
  6. Step 6: Final answer
    x = 248,576.98

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1.5x scale

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.