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Finding the Fourth Proportional to 395,195.40, 592,793.10 and 253,477.80

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Solution

The fourth proportional to 395,195.40, 592,793.10 and 253,477.80 is: 380,216.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,195.40 : 592,793.10 = 253,477.80 : x
  2. Step 2: Convert to fraction form
    395,195.40/592,793.10 = 253,477.80/x
  3. Step 3: Cross multiply
    395,195.40x = 592,793.10 × 253,477.80
  4. Step 4: Simplify right side
    395,195.40x = 150,259,890,843.18
  5. Step 5: Solve for x
    x = 150,259,890,843.18/395,195.40
  6. Step 6: Final answer
    x = 380,216.70

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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.