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Finding the Fourth Proportional to 3,949,134.13, 5,923,701.20 and 957,318.13

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Solution

The fourth proportional to 3,949,134.13, 5,923,701.20 and 957,318.13 is: 1,435,977.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949,134.13 : 5,923,701.20 = 957,318.13 : x
  2. Step 2: Convert to fraction form
    3,949,134.13/5,923,701.20 = 957,318.13/x
  3. Step 3: Cross multiply
    3,949,134.13x = 5,923,701.20 × 957,318.13
  4. Step 4: Simplify right side
    3,949,134.13x = 5,670,866,555,462.76
  5. Step 5: Solve for x
    x = 5,670,866,555,462.76/3,949,134.13
  6. Step 6: Final answer
    x = 1,435,977.20

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Double scale
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Similar ratio
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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.