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Finding the Fourth Proportional to 377,842.60, 567,608.70 and 315,634.60

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Solution

The fourth proportional to 377,842.60, 567,608.70 and 315,634.60 is: 474,157.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,842.60 : 567,608.70 = 315,634.60 : x
  2. Step 2: Convert to fraction form
    377,842.60/567,608.70 = 315,634.60/x
  3. Step 3: Cross multiply
    377,842.60x = 567,608.70 × 315,634.60
  4. Step 4: Simplify right side
    377,842.60x = 179,156,944,981.02
  5. Step 5: Solve for x
    x = 179,156,944,981.02/377,842.60
  6. Step 6: Final answer
    x = 474,157.61

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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.