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Finding the Fourth Proportional to 493,382.77, 680,868.21 and 267,028.27

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Solution

The fourth proportional to 493,382.77, 680,868.21 and 267,028.27 is: 368,499.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,382.77 : 680,868.21 = 267,028.27 : x
  2. Step 2: Convert to fraction form
    493,382.77/680,868.21 = 267,028.27/x
  3. Step 3: Cross multiply
    493,382.77x = 680,868.21 × 267,028.27
  4. Step 4: Simplify right side
    493,382.77x = 181,811,060,214.30
  5. Step 5: Solve for x
    x = 181,811,060,214.30/493,382.77
  6. Step 6: Final answer
    x = 368,499.01

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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.