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Finding the Fourth Proportional to 384,793.06, 576,442.26 and 185,253.60

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Solution

The fourth proportional to 384,793.06, 576,442.26 and 185,253.60 is: 277,520.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,793.06 : 576,442.26 = 185,253.60 : x
  2. Step 2: Convert to fraction form
    384,793.06/576,442.26 = 185,253.60/x
  3. Step 3: Cross multiply
    384,793.06x = 576,442.26 × 185,253.60
  4. Step 4: Simplify right side
    384,793.06x = 106,788,003,857.14
  5. Step 5: Solve for x
    x = 106,788,003,857.14/384,793.06
  6. Step 6: Final answer
    x = 277,520.61

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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.