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Finding the Fourth Proportional to 265,211.80, 397,380.30 and 227,595.40

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Solution

The fourth proportional to 265,211.80, 397,380.30 and 227,595.40 is: 341,017.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,211.80 : 397,380.30 = 227,595.40 : x
  2. Step 2: Convert to fraction form
    265,211.80/397,380.30 = 227,595.40/x
  3. Step 3: Cross multiply
    265,211.80x = 397,380.30 × 227,595.40
  4. Step 4: Simplify right side
    265,211.80x = 90,441,928,330.62
  5. Step 5: Solve for x
    x = 90,441,928,330.62/265,211.80
  6. Step 6: Final answer
    x = 341,017.74

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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.