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Finding the Fourth Proportional to 1,328,067.04, 1,834,461.12 and 1,074,375.04

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Solution

The fourth proportional to 1,328,067.04, 1,834,461.12 and 1,074,375.04 is: 1,484,035.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,067.04 : 1,834,461.12 = 1,074,375.04 : x
  2. Step 2: Convert to fraction form
    1,328,067.04/1,834,461.12 = 1,074,375.04/x
  3. Step 3: Cross multiply
    1,328,067.04x = 1,834,461.12 × 1,074,375.04
  4. Step 4: Simplify right side
    1,328,067.04x = 1,970,899,239,178.45
  5. Step 5: Solve for x
    x = 1,970,899,239,178.45/1,328,067.04
  6. Step 6: Final answer
    x = 1,484,035.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.