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Finding the Fourth Proportional to 2,524,361.78, 3,787,920.30 and 1,461,479.78

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Solution

The fourth proportional to 2,524,361.78, 3,787,920.30 and 1,461,479.78 is: 2,193,017.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,524,361.78 : 3,787,920.30 = 1,461,479.78 : x
  2. Step 2: Convert to fraction form
    2,524,361.78/3,787,920.30 = 1,461,479.78/x
  3. Step 3: Cross multiply
    2,524,361.78x = 3,787,920.30 × 1,461,479.78
  4. Step 4: Simplify right side
    2,524,361.78x = 5,535,968,926,701.53
  5. Step 5: Solve for x
    x = 5,535,968,926,701.53/2,524,361.78
  6. Step 6: Final answer
    x = 2,193,017.25

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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.