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Finding the Fourth Proportional to 362,963.49, 543,972.19 and 185,320.77

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Solution

The fourth proportional to 362,963.49, 543,972.19 and 185,320.77 is: 277,739.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,963.49 : 543,972.19 = 185,320.77 : x
  2. Step 2: Convert to fraction form
    362,963.49/543,972.19 = 185,320.77/x
  3. Step 3: Cross multiply
    362,963.49x = 543,972.19 × 185,320.77
  4. Step 4: Simplify right side
    362,963.49x = 100,809,345,109.39
  5. Step 5: Solve for x
    x = 100,809,345,109.39/362,963.49
  6. Step 6: Final answer
    x = 277,739.63

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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.