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Finding the Fourth Proportional to 304,759.46, 457,169.25 and 105,053.56

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Solution

The fourth proportional to 304,759.46, 457,169.25 and 105,053.56 is: 157,590.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,759.46 : 457,169.25 = 105,053.56 : x
  2. Step 2: Convert to fraction form
    304,759.46/457,169.25 = 105,053.56/x
  3. Step 3: Cross multiply
    304,759.46x = 457,169.25 × 105,053.56
  4. Step 4: Simplify right side
    304,759.46x = 48,027,256,486.06
  5. Step 5: Solve for x
    x = 48,027,256,486.06/304,759.46
  6. Step 6: Final answer
    x = 157,590.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.