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Finding the Fourth Proportional to 362,763.13, 500,621.62 and 201,624.97

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Solution

The fourth proportional to 362,763.13, 500,621.62 and 201,624.97 is: 278,247.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,763.13 : 500,621.62 = 201,624.97 : x
  2. Step 2: Convert to fraction form
    362,763.13/500,621.62 = 201,624.97/x
  3. Step 3: Cross multiply
    362,763.13x = 500,621.62 × 201,624.97
  4. Step 4: Simplify right side
    362,763.13x = 100,937,819,113.85
  5. Step 5: Solve for x
    x = 100,937,819,113.85/362,763.13
  6. Step 6: Final answer
    x = 278,247.18

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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.