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Finding the Fourth Proportional to 362,701.17, 500,539.75 and 201,563.01

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Solution

The fourth proportional to 362,701.17, 500,539.75 and 201,563.01 is: 278,163.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,701.17 : 500,539.75 = 201,563.01 : x
  2. Step 2: Convert to fraction form
    362,701.17/500,539.75 = 201,563.01/x
  3. Step 3: Cross multiply
    362,701.17x = 500,539.75 × 201,563.01
  4. Step 4: Simplify right side
    362,701.17x = 100,890,298,130.74
  5. Step 5: Solve for x
    x = 100,890,298,130.74/362,701.17
  6. Step 6: Final answer
    x = 278,163.70

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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.