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Finding the Fourth Proportional to 524,139.73, 722,312.14 and 451,519.80

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Solution

The fourth proportional to 524,139.73, 722,312.14 and 451,519.80 is: 622,235.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,139.73 : 722,312.14 = 451,519.80 : x
  2. Step 2: Convert to fraction form
    524,139.73/722,312.14 = 451,519.80/x
  3. Step 3: Cross multiply
    524,139.73x = 722,312.14 × 451,519.80
  4. Step 4: Simplify right side
    524,139.73x = 326,138,232,990.37
  5. Step 5: Solve for x
    x = 326,138,232,990.37/524,139.73
  6. Step 6: Final answer
    x = 622,235.28

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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.