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Finding the Fourth Proportional to 1,343,898, 2,015,885.88 and 346,626

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Solution

The fourth proportional to 1,343,898, 2,015,885.88 and 346,626 is: 519,949.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,898 : 2,015,885.88 = 346,626 : x
  2. Step 2: Convert to fraction form
    1,343,898/2,015,885.88 = 346,626/x
  3. Step 3: Cross multiply
    1,343,898x = 2,015,885.88 × 346,626
  4. Step 4: Simplify right side
    1,343,898x = 698,758,459,040.88
  5. Step 5: Solve for x
    x = 698,758,459,040.88/1,343,898
  6. Step 6: Final answer
    x = 519,949.03

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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.