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Finding the Fourth Proportional to 313,753.69, 432,983.43 and 170,513.73

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Solution

The fourth proportional to 313,753.69, 432,983.43 and 170,513.73 is: 235,310.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,753.69 : 432,983.43 = 170,513.73 : x
  2. Step 2: Convert to fraction form
    313,753.69/432,983.43 = 170,513.73/x
  3. Step 3: Cross multiply
    313,753.69x = 432,983.43 × 170,513.73
  4. Step 4: Simplify right side
    313,753.69x = 73,829,619,677.49
  5. Step 5: Solve for x
    x = 73,829,619,677.49/313,753.69
  6. Step 6: Final answer
    x = 235,310.76

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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.