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Finding the Fourth Proportional to 306,425.81, 459,850.13 and 106,747.85

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Solution

The fourth proportional to 306,425.81, 459,850.13 and 106,747.85 is: 160,195.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,425.81 : 459,850.13 = 106,747.85 : x
  2. Step 2: Convert to fraction form
    306,425.81/459,850.13 = 106,747.85/x
  3. Step 3: Cross multiply
    306,425.81x = 459,850.13 × 106,747.85
  4. Step 4: Simplify right side
    306,425.81x = 49,088,009,866.73
  5. Step 5: Solve for x
    x = 49,088,009,866.73/306,425.81
  6. Step 6: Final answer
    x = 160,195.42

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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.