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Finding the Fourth Proportional to 539,449.80, 808,916.26 and 254,903.56

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Solution

The fourth proportional to 539,449.80, 808,916.26 and 254,903.56 is: 382,233.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,449.80 : 808,916.26 = 254,903.56 : x
  2. Step 2: Convert to fraction form
    539,449.80/808,916.26 = 254,903.56/x
  3. Step 3: Cross multiply
    539,449.80x = 808,916.26 × 254,903.56
  4. Step 4: Simplify right side
    539,449.80x = 206,195,634,415.89
  5. Step 5: Solve for x
    x = 206,195,634,415.89/539,449.80
  6. Step 6: Final answer
    x = 382,233.22

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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.