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Finding the Fourth Proportional to 904,605.31, 1,363,410.15 and 779,752.44

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Solution

The fourth proportional to 904,605.31, 1,363,410.15 and 779,752.44 is: 1,175,233.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,605.31 : 1,363,410.15 = 779,752.44 : x
  2. Step 2: Convert to fraction form
    904,605.31/1,363,410.15 = 779,752.44/x
  3. Step 3: Cross multiply
    904,605.31x = 1,363,410.15 × 779,752.44
  4. Step 4: Simplify right side
    904,605.31x = 1,063,122,384,366.22
  5. Step 5: Solve for x
    x = 1,063,122,384,366.22/904,605.31
  6. Step 6: Final answer
    x = 1,175,233.41

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.