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Finding the Fourth Proportional to 2,377,430, 3,280,911 and 1,304,342

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Solution

The fourth proportional to 2,377,430, 3,280,911 and 1,304,342 is: 1,800,023.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,377,430 : 3,280,911 = 1,304,342 : x
  2. Step 2: Convert to fraction form
    2,377,430/3,280,911 = 1,304,342/x
  3. Step 3: Cross multiply
    2,377,430x = 3,280,911 × 1,304,342
  4. Step 4: Simplify right side
    2,377,430x = 4,279,430,015,562
  5. Step 5: Solve for x
    x = 4,279,430,015,562/2,377,430
  6. Step 6: Final answer
    x = 1,800,023.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.