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Finding the Fourth Proportional to 313,939.77, 433,233.87 and 170,699.84

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Solution

The fourth proportional to 313,939.77, 433,233.87 and 170,699.84 is: 235,564.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,939.77 : 433,233.87 = 170,699.84 : x
  2. Step 2: Convert to fraction form
    313,939.77/433,233.87 = 170,699.84/x
  3. Step 3: Cross multiply
    313,939.77x = 433,233.87 × 170,699.84
  4. Step 4: Simplify right side
    313,939.77x = 73,952,951,109.91
  5. Step 5: Solve for x
    x = 73,952,951,109.91/313,939.77
  6. Step 6: Final answer
    x = 235,564.14

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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.