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Finding the Fourth Proportional to 253,028.20, 349,214.02 and 145,596.20

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Solution

The fourth proportional to 253,028.20, 349,214.02 and 145,596.20 is: 200,942.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,028.20 : 349,214.02 = 145,596.20 : x
  2. Step 2: Convert to fraction form
    253,028.20/349,214.02 = 145,596.20/x
  3. Step 3: Cross multiply
    253,028.20x = 349,214.02 × 145,596.20
  4. Step 4: Simplify right side
    253,028.20x = 50,844,234,298.72
  5. Step 5: Solve for x
    x = 50,844,234,298.72/253,028.20
  6. Step 6: Final answer
    x = 200,942.96

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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.