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Finding the Fourth Proportional to 3,948,946.56, 5,923,419.88 and 957,130.56

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Solution

The fourth proportional to 3,948,946.56, 5,923,419.88 and 957,130.56 is: 1,435,695.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,948,946.56 : 5,923,419.88 = 957,130.56 : x
  2. Step 2: Convert to fraction form
    3,948,946.56/5,923,419.88 = 957,130.56/x
  3. Step 3: Cross multiply
    3,948,946.56x = 5,923,419.88 × 957,130.56
  4. Step 4: Simplify right side
    3,948,946.56x = 5,669,486,186,859.53
  5. Step 5: Solve for x
    x = 5,669,486,186,859.53/3,948,946.56
  6. Step 6: Final answer
    x = 1,435,695.85

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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.