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Finding the Fourth Proportional to 304,847.70, 457,301.97 and 105,141.66

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Solution

The fourth proportional to 304,847.70, 457,301.97 and 105,141.66 is: 157,722.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,847.70 : 457,301.97 = 105,141.66 : x
  2. Step 2: Convert to fraction form
    304,847.70/457,301.97 = 105,141.66/x
  3. Step 3: Cross multiply
    304,847.70x = 457,301.97 × 105,141.66
  4. Step 4: Simplify right side
    304,847.70x = 48,081,488,247.07
  5. Step 5: Solve for x
    x = 48,081,488,247.07/304,847.70
  6. Step 6: Final answer
    x = 157,722.98

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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.