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Finding the Fourth Proportional to 3,788,942.40, 5,683,282.56 and 949,079.04

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Solution

The fourth proportional to 3,788,942.40, 5,683,282.56 and 949,079.04 is: 1,423,585.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,788,942.40 : 5,683,282.56 = 949,079.04 : x
  2. Step 2: Convert to fraction form
    3,788,942.40/5,683,282.56 = 949,079.04/x
  3. Step 3: Cross multiply
    3,788,942.40x = 5,683,282.56 × 949,079.04
  4. Step 4: Simplify right side
    3,788,942.40x = 5,393,884,356,093.54
  5. Step 5: Solve for x
    x = 5,393,884,356,093.54/3,788,942.40
  6. Step 6: Final answer
    x = 1,423,585.74

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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.