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Finding the Fourth Proportional to 524,138.73, 722,310.77 and 451,518.80

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Solution

The fourth proportional to 524,138.73, 722,310.77 and 451,518.80 is: 622,233.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,138.73 : 722,310.77 = 451,518.80 : x
  2. Step 2: Convert to fraction form
    524,138.73/722,310.77 = 451,518.80/x
  3. Step 3: Cross multiply
    524,138.73x = 722,310.77 × 451,518.80
  4. Step 4: Simplify right side
    524,138.73x = 326,136,886,228.33
  5. Step 5: Solve for x
    x = 326,136,886,228.33/524,138.73
  6. Step 6: Final answer
    x = 622,233.90

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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.