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Finding the Fourth Proportional to 483,253.08, 724,694.93 and 158,965.73

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Solution

The fourth proportional to 483,253.08, 724,694.93 and 158,965.73 is: 238,387.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,253.08 : 724,694.93 = 158,965.73 : x
  2. Step 2: Convert to fraction form
    483,253.08/724,694.93 = 158,965.73/x
  3. Step 3: Cross multiply
    483,253.08x = 724,694.93 × 158,965.73
  4. Step 4: Simplify right side
    483,253.08x = 115,201,658,574.75
  5. Step 5: Solve for x
    x = 115,201,658,574.75/483,253.08
  6. Step 6: Final answer
    x = 238,387.84

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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.