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Finding the Fourth Proportional to 2,614,455.72, 3,920,569.02 and 994,948.20

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Solution

The fourth proportional to 2,614,455.72, 3,920,569.02 and 994,948.20 is: 1,491,998.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,614,455.72 : 3,920,569.02 = 994,948.20 : x
  2. Step 2: Convert to fraction form
    2,614,455.72/3,920,569.02 = 994,948.20/x
  3. Step 3: Cross multiply
    2,614,455.72x = 3,920,569.02 × 994,948.20
  4. Step 4: Simplify right side
    2,614,455.72x = 3,900,763,089,424.76
  5. Step 5: Solve for x
    x = 3,900,763,089,424.76/2,614,455.72
  6. Step 6: Final answer
    x = 1,491,998.15

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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.