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Finding the Fourth Proportional to 316,333.65, 474,500.48 and 79,694.79

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Solution

The fourth proportional to 316,333.65, 474,500.48 and 79,694.79 is: 119,542.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,333.65 : 474,500.48 = 79,694.79 : x
  2. Step 2: Convert to fraction form
    316,333.65/474,500.48 = 79,694.79/x
  3. Step 3: Cross multiply
    316,333.65x = 474,500.48 × 79,694.79
  4. Step 4: Simplify right side
    316,333.65x = 37,815,214,378.93
  5. Step 5: Solve for x
    x = 37,815,214,378.93/316,333.65
  6. Step 6: Final answer
    x = 119,542.18

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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.