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Finding the Fourth Proportional to 400,334.01, 599,836.65 and 281,756.25

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Solution

The fourth proportional to 400,334.01, 599,836.65 and 281,756.25 is: 422,166.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,334.01 : 599,836.65 = 281,756.25 : x
  2. Step 2: Convert to fraction form
    400,334.01/599,836.65 = 281,756.25/x
  3. Step 3: Cross multiply
    400,334.01x = 599,836.65 × 281,756.25
  4. Step 4: Simplify right side
    400,334.01x = 169,007,725,116.56
  5. Step 5: Solve for x
    x = 169,007,725,116.56/400,334.01
  6. Step 6: Final answer
    x = 422,166.79

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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.