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Finding the Fourth Proportional to 362,155.68, 499,765.50 and 201,006

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Solution

The fourth proportional to 362,155.68, 499,765.50 and 201,006 is: 277,383.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,155.68 : 499,765.50 = 201,006 : x
  2. Step 2: Convert to fraction form
    362,155.68/499,765.50 = 201,006/x
  3. Step 3: Cross multiply
    362,155.68x = 499,765.50 × 201,006
  4. Step 4: Simplify right side
    362,155.68x = 100,455,864,093
  5. Step 5: Solve for x
    x = 100,455,864,093/362,155.68
  6. Step 6: Final answer
    x = 277,383.10

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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.