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Finding the Fourth Proportional to 484,850.41, 669,093.51 and 281,019.58

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Solution

The fourth proportional to 484,850.41, 669,093.51 and 281,019.58 is: 387,806.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,850.41 : 669,093.51 = 281,019.58 : x
  2. Step 2: Convert to fraction form
    484,850.41/669,093.51 = 281,019.58/x
  3. Step 3: Cross multiply
    484,850.41x = 669,093.51 × 281,019.58
  4. Step 4: Simplify right side
    484,850.41x = 188,028,376,542.02
  5. Step 5: Solve for x
    x = 188,028,376,542.02/484,850.41
  6. Step 6: Final answer
    x = 387,806.99

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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.