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Finding the Fourth Proportional to 427,447.27, 589,859.80 and 246,166.03

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Solution

The fourth proportional to 427,447.27, 589,859.80 and 246,166.03 is: 339,699.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,447.27 : 589,859.80 = 246,166.03 : x
  2. Step 2: Convert to fraction form
    427,447.27/589,859.80 = 246,166.03/x
  3. Step 3: Cross multiply
    427,447.27x = 589,859.80 × 246,166.03
  4. Step 4: Simplify right side
    427,447.27x = 145,203,446,729.19
  5. Step 5: Solve for x
    x = 145,203,446,729.19/427,447.27
  6. Step 6: Final answer
    x = 339,699.08

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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.