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Finding the Fourth Proportional to 2,672,508, 4,008,995.28 and 677,964

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Solution

The fourth proportional to 2,672,508, 4,008,995.28 and 677,964 is: 1,017,005.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,672,508 : 4,008,995.28 = 677,964 : x
  2. Step 2: Convert to fraction form
    2,672,508/4,008,995.28 = 677,964/x
  3. Step 3: Cross multiply
    2,672,508x = 4,008,995.28 × 677,964
  4. Step 4: Simplify right side
    2,672,508x = 2,717,954,476,009.92
  5. Step 5: Solve for x
    x = 2,717,954,476,009.92/2,672,508
  6. Step 6: Final answer
    x = 1,017,005.18

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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.