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Finding the Fourth Proportional to 362,551.20, 543,826.80 and 329,308.80

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Solution

The fourth proportional to 362,551.20, 543,826.80 and 329,308.80 is: 493,963.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,551.20 : 543,826.80 = 329,308.80 : x
  2. Step 2: Convert to fraction form
    362,551.20/543,826.80 = 329,308.80/x
  3. Step 3: Cross multiply
    362,551.20x = 543,826.80 × 329,308.80
  4. Step 4: Simplify right side
    362,551.20x = 179,086,950,915.84
  5. Step 5: Solve for x
    x = 179,086,950,915.84/362,551.20
  6. Step 6: Final answer
    x = 493,963.20

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1.5x scale

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.