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Finding the Fourth Proportional to 308,067.61, 462,153.96 and 137,351.27

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Solution

The fourth proportional to 308,067.61, 462,153.96 and 137,351.27 is: 206,050.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,067.61 : 462,153.96 = 137,351.27 : x
  2. Step 2: Convert to fraction form
    308,067.61/462,153.96 = 137,351.27/x
  3. Step 3: Cross multiply
    308,067.61x = 462,153.96 × 137,351.27
  4. Step 4: Simplify right side
    308,067.61x = 63,477,431,030.76
  5. Step 5: Solve for x
    x = 63,477,431,030.76/308,067.61
  6. Step 6: Final answer
    x = 206,050.32

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1.5x scale

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.