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Finding the Fourth Proportional to 352,569.12, 486,550.44 and 191,424.48

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Solution

The fourth proportional to 352,569.12, 486,550.44 and 191,424.48 is: 264,168.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,569.12 : 486,550.44 = 191,424.48 : x
  2. Step 2: Convert to fraction form
    352,569.12/486,550.44 = 191,424.48/x
  3. Step 3: Cross multiply
    352,569.12x = 486,550.44 × 191,424.48
  4. Step 4: Simplify right side
    352,569.12x = 93,137,664,970.77
  5. Step 5: Solve for x
    x = 93,137,664,970.77/352,569.12
  6. Step 6: Final answer
    x = 264,168.53

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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.