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Finding the Fourth Proportional to 541,579.84, 747,144.88 and 326,600.44

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Solution

The fourth proportional to 541,579.84, 747,144.88 and 326,600.44 is: 450,566.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,579.84 : 747,144.88 = 326,600.44 : x
  2. Step 2: Convert to fraction form
    541,579.84/747,144.88 = 326,600.44/x
  3. Step 3: Cross multiply
    541,579.84x = 747,144.88 × 326,600.44
  4. Step 4: Simplify right side
    541,579.84x = 244,017,846,551.75
  5. Step 5: Solve for x
    x = 244,017,846,551.75/541,579.84
  6. Step 6: Final answer
    x = 450,566.71

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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.