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Finding the Fourth Proportional to 603,959.51, 905,274.97 and 248,779.78

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Solution

The fourth proportional to 603,959.51, 905,274.97 and 248,779.78 is: 372,896.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,959.51 : 905,274.97 = 248,779.78 : x
  2. Step 2: Convert to fraction form
    603,959.51/905,274.97 = 248,779.78/x
  3. Step 3: Cross multiply
    603,959.51x = 905,274.97 × 248,779.78
  4. Step 4: Simplify right side
    603,959.51x = 225,214,104,990.97
  5. Step 5: Solve for x
    x = 225,214,104,990.97/603,959.51
  6. Step 6: Final answer
    x = 372,896.03

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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.