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Finding the Fourth Proportional to 362,128.36, 499,729.62 and 200,974.04

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Solution

The fourth proportional to 362,128.36, 499,729.62 and 200,974.04 is: 277,340.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,128.36 : 499,729.62 = 200,974.04 : x
  2. Step 2: Convert to fraction form
    362,128.36/499,729.62 = 200,974.04/x
  3. Step 3: Cross multiply
    362,128.36x = 499,729.62 × 200,974.04
  4. Step 4: Simplify right side
    362,128.36x = 100,432,680,639.07
  5. Step 5: Solve for x
    x = 100,432,680,639.07/362,128.36
  6. Step 6: Final answer
    x = 277,340.00

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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.