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Finding the Fourth Proportional to 362,530.60, 500,291.96 and 201,400.68

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Solution

The fourth proportional to 362,530.60, 500,291.96 and 201,400.68 is: 277,932.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,530.60 : 500,291.96 = 201,400.68 : x
  2. Step 2: Convert to fraction form
    362,530.60/500,291.96 = 201,400.68/x
  3. Step 3: Cross multiply
    362,530.60x = 500,291.96 × 201,400.68
  4. Step 4: Simplify right side
    362,530.60x = 100,759,140,942.53
  5. Step 5: Solve for x
    x = 100,759,140,942.53/362,530.60
  6. Step 6: Final answer
    x = 277,932.79

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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.