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Finding the Fourth Proportional to 352,615.74, 486,597.13 and 191,467.45

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Solution

The fourth proportional to 352,615.74, 486,597.13 and 191,467.45 is: 264,218.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,615.74 : 486,597.13 = 191,467.45 : x
  2. Step 2: Convert to fraction form
    352,615.74/486,597.13 = 191,467.45/x
  3. Step 3: Cross multiply
    352,615.74x = 486,597.13 × 191,467.45
  4. Step 4: Simplify right side
    352,615.74x = 93,167,511,658.42
  5. Step 5: Solve for x
    x = 93,167,511,658.42/352,615.74
  6. Step 6: Final answer
    x = 264,218.24

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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.