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Finding the Fourth Proportional to 253,744.56, 380,497.63 and 147,158.80

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Solution

The fourth proportional to 253,744.56, 380,497.63 and 147,158.80 is: 220,669.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,744.56 : 380,497.63 = 147,158.80 : x
  2. Step 2: Convert to fraction form
    253,744.56/380,497.63 = 147,158.80/x
  3. Step 3: Cross multiply
    253,744.56x = 380,497.63 × 147,158.80
  4. Step 4: Simplify right side
    253,744.56x = 55,993,574,633.64
  5. Step 5: Solve for x
    x = 55,993,574,633.64/253,744.56
  6. Step 6: Final answer
    x = 220,669.06

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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.