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Finding the Fourth Proportional to 1,964,213.88, 2,946,312.72 and 544,265.88

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Solution

The fourth proportional to 1,964,213.88, 2,946,312.72 and 544,265.88 is: 816,396.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964,213.88 : 2,946,312.72 = 544,265.88 : x
  2. Step 2: Convert to fraction form
    1,964,213.88/2,946,312.72 = 544,265.88/x
  3. Step 3: Cross multiply
    1,964,213.88x = 2,946,312.72 × 544,265.88
  4. Step 4: Simplify right side
    1,964,213.88x = 1,603,577,485,305.99
  5. Step 5: Solve for x
    x = 1,603,577,485,305.99/1,964,213.88
  6. Step 6: Final answer
    x = 816,396.58

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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.