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Finding the Fourth Proportional to 350,904.86, 484,248.91 and 189,759.89

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Solution

The fourth proportional to 350,904.86, 484,248.91 and 189,759.89 is: 261,868.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,904.86 : 484,248.91 = 189,759.89 : x
  2. Step 2: Convert to fraction form
    350,904.86/484,248.91 = 189,759.89/x
  3. Step 3: Cross multiply
    350,904.86x = 484,248.91 × 189,759.89
  4. Step 4: Simplify right side
    350,904.86x = 91,891,020,630.44
  5. Step 5: Solve for x
    x = 91,891,020,630.44/350,904.86
  6. Step 6: Final answer
    x = 261,868.76

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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.