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Finding the Fourth Proportional to 538,372.94, 806,524.49 and 300,995.74

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Solution

The fourth proportional to 538,372.94, 806,524.49 and 300,995.74 is: 450,915.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,372.94 : 806,524.49 = 300,995.74 : x
  2. Step 2: Convert to fraction form
    538,372.94/806,524.49 = 300,995.74/x
  3. Step 3: Cross multiply
    538,372.94x = 806,524.49 × 300,995.74
  4. Step 4: Simplify right side
    538,372.94x = 242,760,435,695.67
  5. Step 5: Solve for x
    x = 242,760,435,695.67/538,372.94
  6. Step 6: Final answer
    x = 450,915.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.