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Finding the Fourth Proportional to 362,130.38, 499,739.92 and 203,154.38

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Solution

The fourth proportional to 362,130.38, 499,739.92 and 203,154.38 is: 280,353.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,130.38 : 499,739.92 = 203,154.38 : x
  2. Step 2: Convert to fraction form
    362,130.38/499,739.92 = 203,154.38/x
  3. Step 3: Cross multiply
    362,130.38x = 499,739.92 × 203,154.38
  4. Step 4: Simplify right side
    362,130.38x = 101,524,351,110.15
  5. Step 5: Solve for x
    x = 101,524,351,110.15/362,130.38
  6. Step 6: Final answer
    x = 280,353.04

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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.