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Finding the Fourth Proportional to 943,959.03, 1,302,651.54 and 514,229.91

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Solution

The fourth proportional to 943,959.03, 1,302,651.54 and 514,229.91 is: 709,630.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,959.03 : 1,302,651.54 = 514,229.91 : x
  2. Step 2: Convert to fraction form
    943,959.03/1,302,651.54 = 514,229.91/x
  3. Step 3: Cross multiply
    943,959.03x = 1,302,651.54 × 514,229.91
  4. Step 4: Simplify right side
    943,959.03x = 669,862,384,175.56
  5. Step 5: Solve for x
    x = 669,862,384,175.56/943,959.03
  6. Step 6: Final answer
    x = 709,630.78

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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.