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Finding the Fourth Proportional to 435,994.03, 601,425.57 and 274,571.56

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Solution

The fourth proportional to 435,994.03, 601,425.57 and 274,571.56 is: 378,753.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,994.03 : 601,425.57 = 274,571.56 : x
  2. Step 2: Convert to fraction form
    435,994.03/601,425.57 = 274,571.56/x
  3. Step 3: Cross multiply
    435,994.03x = 601,425.57 × 274,571.56
  4. Step 4: Simplify right side
    435,994.03x = 165,134,356,978.79
  5. Step 5: Solve for x
    x = 165,134,356,978.79/435,994.03
  6. Step 6: Final answer
    x = 378,753.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.