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Finding the Fourth Proportional to 484,793.10, 727,221.24 and 395,855.10

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Solution

The fourth proportional to 484,793.10, 727,221.24 and 395,855.10 is: 593,808.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,793.10 : 727,221.24 = 395,855.10 : x
  2. Step 2: Convert to fraction form
    484,793.10/727,221.24 = 395,855.10/x
  3. Step 3: Cross multiply
    484,793.10x = 727,221.24 × 395,855.10
  4. Step 4: Simplify right side
    484,793.10x = 287,874,236,682.32
  5. Step 5: Solve for x
    x = 287,874,236,682.32/484,793.10
  6. Step 6: Final answer
    x = 593,808.44

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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.