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Finding the Fourth Proportional to 881,812.17, 1,322,612.55 and 274,644.27

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Solution

The fourth proportional to 881,812.17, 1,322,612.55 and 274,644.27 is: 411,933.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,812.17 : 1,322,612.55 = 274,644.27 : x
  2. Step 2: Convert to fraction form
    881,812.17/1,322,612.55 = 274,644.27/x
  3. Step 3: Cross multiply
    881,812.17x = 1,322,612.55 × 274,644.27
  4. Step 4: Simplify right side
    881,812.17x = 363,247,958,287.59
  5. Step 5: Solve for x
    x = 363,247,958,287.59/881,812.17
  6. Step 6: Final answer
    x = 411,933.48

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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.