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Finding the Fourth Proportional to 412,019.28, 568,596.68 and 230,729.68

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Solution

The fourth proportional to 412,019.28, 568,596.68 and 230,729.68 is: 318,412.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,019.28 : 568,596.68 = 230,729.68 : x
  2. Step 2: Convert to fraction form
    412,019.28/568,596.68 = 230,729.68/x
  3. Step 3: Cross multiply
    412,019.28x = 568,596.68 × 230,729.68
  4. Step 4: Simplify right side
    412,019.28x = 131,192,130,025.46
  5. Step 5: Solve for x
    x = 131,192,130,025.46/412,019.28
  6. Step 6: Final answer
    x = 318,412.60

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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.