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Finding the Fourth Proportional to 362,775.61, 500,608.86 and 201,625.15

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Solution

The fourth proportional to 362,775.61, 500,608.86 and 201,625.15 is: 278,230.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,775.61 : 500,608.86 = 201,625.15 : x
  2. Step 2: Convert to fraction form
    362,775.61/500,608.86 = 201,625.15/x
  3. Step 3: Cross multiply
    362,775.61x = 500,608.86 × 201,625.15
  4. Step 4: Simplify right side
    362,775.61x = 100,935,335,419.85
  5. Step 5: Solve for x
    x = 100,935,335,419.85/362,775.61
  6. Step 6: Final answer
    x = 278,230.76

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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.