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Finding the Fourth Proportional to 4,487,412, 6,731,118 and 1,335,540

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Solution

The fourth proportional to 4,487,412, 6,731,118 and 1,335,540 is: 2,003,310

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,487,412 : 6,731,118 = 1,335,540 : x
  2. Step 2: Convert to fraction form
    4,487,412/6,731,118 = 1,335,540/x
  3. Step 3: Cross multiply
    4,487,412x = 6,731,118 × 1,335,540
  4. Step 4: Simplify right side
    4,487,412x = 8,989,677,333,720
  5. Step 5: Solve for x
    x = 8,989,677,333,720/4,487,412
  6. Step 6: Final answer
    x = 2,003,310

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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.