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Finding the Fourth Proportional to 599,971.86, 900,207.81 and 263,254.59

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Solution

The fourth proportional to 599,971.86, 900,207.81 and 263,254.59 is: 394,991.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,971.86 : 900,207.81 = 263,254.59 : x
  2. Step 2: Convert to fraction form
    599,971.86/900,207.81 = 263,254.59/x
  3. Step 3: Cross multiply
    599,971.86x = 900,207.81 × 263,254.59
  4. Step 4: Simplify right side
    599,971.86x = 236,983,837,936.35
  5. Step 5: Solve for x
    x = 236,983,837,936.35/599,971.86
  6. Step 6: Final answer
    x = 394,991.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.