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Finding the Fourth Proportional to 309,803.14, 462,606.26 and 245,906.38

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Solution

The fourth proportional to 309,803.14, 462,606.26 and 245,906.38 is: 367,193.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,803.14 : 462,606.26 = 245,906.38 : x
  2. Step 2: Convert to fraction form
    309,803.14/462,606.26 = 245,906.38/x
  3. Step 3: Cross multiply
    309,803.14x = 462,606.26 × 245,906.38
  4. Step 4: Simplify right side
    309,803.14x = 113,757,830,761.94
  5. Step 5: Solve for x
    x = 113,757,830,761.94/309,803.14
  6. Step 6: Final answer
    x = 367,193.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.