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Finding the Fourth Proportional to 493,357.05, 680,832.77 and 267,002.55

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Solution

The fourth proportional to 493,357.05, 680,832.77 and 267,002.55 is: 368,463.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,357.05 : 680,832.77 = 267,002.55 : x
  2. Step 2: Convert to fraction form
    493,357.05/680,832.77 = 267,002.55/x
  3. Step 3: Cross multiply
    493,357.05x = 680,832.77 × 267,002.55
  4. Step 4: Simplify right side
    493,357.05x = 181,784,084,378.55
  5. Step 5: Solve for x
    x = 181,784,084,378.55/493,357.05
  6. Step 6: Final answer
    x = 368,463.54

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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.