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Finding the Fourth Proportional to 3,949,289.70, 5,923,934.55 and 957,473.70

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Solution

The fourth proportional to 3,949,289.70, 5,923,934.55 and 957,473.70 is: 1,436,210.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949,289.70 : 5,923,934.55 = 957,473.70 : x
  2. Step 2: Convert to fraction form
    3,949,289.70/5,923,934.55 = 957,473.70/x
  3. Step 3: Cross multiply
    3,949,289.70x = 5,923,934.55 × 957,473.70
  4. Step 4: Simplify right side
    3,949,289.70x = 5,672,011,532,146.34
  5. Step 5: Solve for x
    x = 5,672,011,532,146.34/3,949,289.70
  6. Step 6: Final answer
    x = 1,436,210.55

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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.