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Finding the Fourth Proportional to 3,059,604.30, 4,592,942.10 and 1,642,428.30

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Solution

The fourth proportional to 3,059,604.30, 4,592,942.10 and 1,642,428.30 is: 2,465,540.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,059,604.30 : 4,592,942.10 = 1,642,428.30 : x
  2. Step 2: Convert to fraction form
    3,059,604.30/4,592,942.10 = 1,642,428.30/x
  3. Step 3: Cross multiply
    3,059,604.30x = 4,592,942.10 × 1,642,428.30
  4. Step 4: Simplify right side
    3,059,604.30x = 7,543,578,085,301.43
  5. Step 5: Solve for x
    x = 7,543,578,085,301.43/3,059,604.30
  6. Step 6: Final answer
    x = 2,465,540.42

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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.