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Finding the Fourth Proportional to 835,251, 1,152,647.19 and 453,277.86

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Solution

The fourth proportional to 835,251, 1,152,647.19 and 453,277.86 is: 625,523.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,251 : 1,152,647.19 = 453,277.86 : x
  2. Step 2: Convert to fraction form
    835,251/1,152,647.19 = 453,277.86/x
  3. Step 3: Cross multiply
    835,251x = 1,152,647.19 × 453,277.86
  4. Step 4: Simplify right side
    835,251x = 522,469,451,618.21
  5. Step 5: Solve for x
    x = 522,469,451,618.21/835,251
  6. Step 6: Final answer
    x = 625,523.89

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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.