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Finding the Fourth Proportional to 2,664,019.80, 3,996,029.70 and 1,656,250.20

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Solution

The fourth proportional to 2,664,019.80, 3,996,029.70 and 1,656,250.20 is: 2,484,375.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,664,019.80 : 3,996,029.70 = 1,656,250.20 : x
  2. Step 2: Convert to fraction form
    2,664,019.80/3,996,029.70 = 1,656,250.20/x
  3. Step 3: Cross multiply
    2,664,019.80x = 3,996,029.70 × 1,656,250.20
  4. Step 4: Simplify right side
    2,664,019.80x = 6,618,424,989,830.94
  5. Step 5: Solve for x
    x = 6,618,424,989,830.94/2,664,019.80
  6. Step 6: Final answer
    x = 2,484,375.30

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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.