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Finding the Fourth Proportional to 605,525.60, 908,398.56 and 206,145.92

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Solution

The fourth proportional to 605,525.60, 908,398.56 and 206,145.92 is: 309,256.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,525.60 : 908,398.56 = 206,145.92 : x
  2. Step 2: Convert to fraction form
    605,525.60/908,398.56 = 206,145.92/x
  3. Step 3: Cross multiply
    605,525.60x = 908,398.56 × 206,145.92
  4. Step 4: Simplify right side
    605,525.60x = 187,262,656,877.88
  5. Step 5: Solve for x
    x = 187,262,656,877.88/605,525.60
  6. Step 6: Final answer
    x = 309,256.38

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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.