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Finding the Fourth Proportional to 352,587.91, 486,579.77 and 191,449.75

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Solution

The fourth proportional to 352,587.91, 486,579.77 and 191,449.75 is: 264,205.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,587.91 : 486,579.77 = 191,449.75 : x
  2. Step 2: Convert to fraction form
    352,587.91/486,579.77 = 191,449.75/x
  3. Step 3: Cross multiply
    352,587.91x = 486,579.77 × 191,449.75
  4. Step 4: Simplify right side
    352,587.91x = 93,155,574,583.73
  5. Step 5: Solve for x
    x = 93,155,574,583.73/352,587.91
  6. Step 6: Final answer
    x = 264,205.25

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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.