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Finding the Fourth Proportional to 493,380.27, 680,864.76 and 267,025.77

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Solution

The fourth proportional to 493,380.27, 680,864.76 and 267,025.77 is: 368,495.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,380.27 : 680,864.76 = 267,025.77 : x
  2. Step 2: Convert to fraction form
    493,380.27/680,864.76 = 267,025.77/x
  3. Step 3: Cross multiply
    493,380.27x = 680,864.76 × 267,025.77
  4. Step 4: Simplify right side
    493,380.27x = 181,808,436,804.87
  5. Step 5: Solve for x
    x = 181,808,436,804.87/493,380.27
  6. Step 6: Final answer
    x = 368,495.56

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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.