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Finding the Fourth Proportional to 1,682,778, 2,524,167 and 500,826

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Solution

The fourth proportional to 1,682,778, 2,524,167 and 500,826 is: 751,239

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,682,778 : 2,524,167 = 500,826 : x
  2. Step 2: Convert to fraction form
    1,682,778/2,524,167 = 500,826/x
  3. Step 3: Cross multiply
    1,682,778x = 2,524,167 × 500,826
  4. Step 4: Simplify right side
    1,682,778x = 1,264,168,461,942
  5. Step 5: Solve for x
    x = 1,264,168,461,942/1,682,778
  6. Step 6: Final answer
    x = 751,239

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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.