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Finding the Fourth Proportional to 352,786.58, 486,848.94 and 191,642.93

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Solution

The fourth proportional to 352,786.58, 486,848.94 and 191,642.93 is: 264,469.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,786.58 : 486,848.94 = 191,642.93 : x
  2. Step 2: Convert to fraction form
    352,786.58/486,848.94 = 191,642.93/x
  3. Step 3: Cross multiply
    352,786.58x = 486,848.94 × 191,642.93
  4. Step 4: Simplify right side
    352,786.58x = 93,301,157,328.99
  5. Step 5: Solve for x
    x = 93,301,157,328.99/352,786.58
  6. Step 6: Final answer
    x = 264,469.12

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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.