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Finding the Fourth Proportional to 360,096.12, 540,299.70 and 202,087.80

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Solution

The fourth proportional to 360,096.12, 540,299.70 and 202,087.80 is: 303,218.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,096.12 : 540,299.70 = 202,087.80 : x
  2. Step 2: Convert to fraction form
    360,096.12/540,299.70 = 202,087.80/x
  3. Step 3: Cross multiply
    360,096.12x = 540,299.70 × 202,087.80
  4. Step 4: Simplify right side
    360,096.12x = 109,187,977,713.66
  5. Step 5: Solve for x
    x = 109,187,977,713.66/360,096.12
  6. Step 6: Final answer
    x = 303,218.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.