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Finding the Fourth Proportional to 431,608.91, 595,996.38 and 270,740.48

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Solution

The fourth proportional to 431,608.91, 595,996.38 and 270,740.48 is: 373,857.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,608.91 : 595,996.38 = 270,740.48 : x
  2. Step 2: Convert to fraction form
    431,608.91/595,996.38 = 270,740.48/x
  3. Step 3: Cross multiply
    431,608.91x = 595,996.38 × 270,740.48
  4. Step 4: Simplify right side
    431,608.91x = 161,360,343,019.48
  5. Step 5: Solve for x
    x = 161,360,343,019.48/431,608.91
  6. Step 6: Final answer
    x = 373,857.77

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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.