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Finding the Fourth Proportional to 605,356.16, 908,162.31 and 200,525.45

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Solution

The fourth proportional to 605,356.16, 908,162.31 and 200,525.45 is: 300,830.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,356.16 : 908,162.31 = 200,525.45 : x
  2. Step 2: Convert to fraction form
    605,356.16/908,162.31 = 200,525.45/x
  3. Step 3: Cross multiply
    605,356.16x = 908,162.31 × 200,525.45
  4. Step 4: Simplify right side
    605,356.16x = 182,109,651,344.98
  5. Step 5: Solve for x
    x = 182,109,651,344.98/605,356.16
  6. Step 6: Final answer
    x = 300,830.59

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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.