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Finding the Fourth Proportional to 325,698, 449,489.28 and 191,587.92

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Solution

The fourth proportional to 325,698, 449,489.28 and 191,587.92 is: 264,406.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,698 : 449,489.28 = 191,587.92 : x
  2. Step 2: Convert to fraction form
    325,698/449,489.28 = 191,587.92/x
  3. Step 3: Cross multiply
    325,698x = 449,489.28 × 191,587.92
  4. Step 4: Simplify right side
    325,698x = 86,116,716,217.50
  5. Step 5: Solve for x
    x = 86,116,716,217.50/325,698
  6. Step 6: Final answer
    x = 264,406.65

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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.