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Finding the Fourth Proportional to 313,273.62, 432,317.94 and 170,033.76

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Solution

The fourth proportional to 313,273.62, 432,317.94 and 170,033.76 is: 234,646.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,273.62 : 432,317.94 = 170,033.76 : x
  2. Step 2: Convert to fraction form
    313,273.62/432,317.94 = 170,033.76/x
  3. Step 3: Cross multiply
    313,273.62x = 432,317.94 × 170,033.76
  4. Step 4: Simplify right side
    313,273.62x = 73,508,644,853.65
  5. Step 5: Solve for x
    x = 73,508,644,853.65/313,273.62
  6. Step 6: Final answer
    x = 234,646.78

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1.5x scale

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.