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Finding the Fourth Proportional to 4,147,304, 6,220,956 and 995,432

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Solution

The fourth proportional to 4,147,304, 6,220,956 and 995,432 is: 1,493,148

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147,304 : 6,220,956 = 995,432 : x
  2. Step 2: Convert to fraction form
    4,147,304/6,220,956 = 995,432/x
  3. Step 3: Cross multiply
    4,147,304x = 6,220,956 × 995,432
  4. Step 4: Simplify right side
    4,147,304x = 6,192,538,672,992
  5. Step 5: Solve for x
    x = 6,192,538,672,992/4,147,304
  6. Step 6: Final answer
    x = 1,493,148

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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.