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Finding the Fourth Proportional to 524,140.73, 722,313.52 and 451,520.80

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Solution

The fourth proportional to 524,140.73, 722,313.52 and 451,520.80 is: 622,236.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,140.73 : 722,313.52 = 451,520.80 : x
  2. Step 2: Convert to fraction form
    524,140.73/722,313.52 = 451,520.80/x
  3. Step 3: Cross multiply
    524,140.73x = 722,313.52 × 451,520.80
  4. Step 4: Simplify right side
    524,140.73x = 326,139,578,401.22
  5. Step 5: Solve for x
    x = 326,139,578,401.22/524,140.73
  6. Step 6: Final answer
    x = 622,236.66

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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.