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Finding the Fourth Proportional to 362,805.60, 500,650.28 and 201,655.12

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Solution

The fourth proportional to 362,805.60, 500,650.28 and 201,655.12 is: 278,272.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,805.60 : 500,650.28 = 201,655.12 : x
  2. Step 2: Convert to fraction form
    362,805.60/500,650.28 = 201,655.12/x
  3. Step 3: Cross multiply
    362,805.60x = 500,650.28 × 201,655.12
  4. Step 4: Simplify right side
    362,805.60x = 100,958,692,291.43
  5. Step 5: Solve for x
    x = 100,958,692,291.43/362,805.60
  6. Step 6: Final answer
    x = 278,272.14

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1.5x scale

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.