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Finding the Fourth Proportional to 413,606.78, 570,632 and 270,450.62

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Solution

The fourth proportional to 413,606.78, 570,632 and 270,450.62 is: 373,126.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,606.78 : 570,632 = 270,450.62 : x
  2. Step 2: Convert to fraction form
    413,606.78/570,632 = 270,450.62/x
  3. Step 3: Cross multiply
    413,606.78x = 570,632 × 270,450.62
  4. Step 4: Simplify right side
    413,606.78x = 154,327,778,191.84
  5. Step 5: Solve for x
    x = 154,327,778,191.84/413,606.78
  6. Step 6: Final answer
    x = 373,126.81

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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.