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Finding the Fourth Proportional to 636,862.16, 955,448.76 and 262,992.08

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Solution

The fourth proportional to 636,862.16, 955,448.76 and 262,992.08 is: 394,552.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,862.16 : 955,448.76 = 262,992.08 : x
  2. Step 2: Convert to fraction form
    636,862.16/955,448.76 = 262,992.08/x
  3. Step 3: Cross multiply
    636,862.16x = 955,448.76 × 262,992.08
  4. Step 4: Simplify right side
    636,862.16x = 251,275,456,725.82
  5. Step 5: Solve for x
    x = 251,275,456,725.82/636,862.16
  6. Step 6: Final answer
    x = 394,552.34

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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.