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Finding the Fourth Proportional to 417,755.33, 576,501.86 and 226,768.73

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Solution

The fourth proportional to 417,755.33, 576,501.86 and 226,768.73 is: 312,940.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,755.33 : 576,501.86 = 226,768.73 : x
  2. Step 2: Convert to fraction form
    417,755.33/576,501.86 = 226,768.73/x
  3. Step 3: Cross multiply
    417,755.33x = 576,501.86 × 226,768.73
  4. Step 4: Simplify right side
    417,755.33x = 130,732,590,618.49
  5. Step 5: Solve for x
    x = 130,732,590,618.49/417,755.33
  6. Step 6: Final answer
    x = 312,940.57

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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.