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Finding the Fourth Proportional to 362,993.56, 500,931.54 and 201,845.15

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Solution

The fourth proportional to 362,993.56, 500,931.54 and 201,845.15 is: 278,546.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,993.56 : 500,931.54 = 201,845.15 : x
  2. Step 2: Convert to fraction form
    362,993.56/500,931.54 = 201,845.15/x
  3. Step 3: Cross multiply
    362,993.56x = 500,931.54 × 201,845.15
  4. Step 4: Simplify right side
    362,993.56x = 101,110,602,466.64
  5. Step 5: Solve for x
    x = 101,110,602,466.64/362,993.56
  6. Step 6: Final answer
    x = 278,546.54

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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.