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Finding the Fourth Proportional to 362,226.30, 543,339.45 and 328,400.70

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Solution

The fourth proportional to 362,226.30, 543,339.45 and 328,400.70 is: 492,601.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,226.30 : 543,339.45 = 328,400.70 : x
  2. Step 2: Convert to fraction form
    362,226.30/543,339.45 = 328,400.70/x
  3. Step 3: Cross multiply
    362,226.30x = 543,339.45 × 328,400.70
  4. Step 4: Simplify right side
    362,226.30x = 178,433,055,717.62
  5. Step 5: Solve for x
    x = 178,433,055,717.62/362,226.30
  6. Step 6: Final answer
    x = 492,601.05

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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.