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Finding the Fourth Proportional to 483,187.68, 666,829.86 and 268,327.74

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Solution

The fourth proportional to 483,187.68, 666,829.86 and 268,327.74 is: 370,309.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,187.68 : 666,829.86 = 268,327.74 : x
  2. Step 2: Convert to fraction form
    483,187.68/666,829.86 = 268,327.74/x
  3. Step 3: Cross multiply
    483,187.68x = 666,829.86 × 268,327.74
  4. Step 4: Simplify right side
    483,187.68x = 178,928,949,298.32
  5. Step 5: Solve for x
    x = 178,928,949,298.32/483,187.68
  6. Step 6: Final answer
    x = 370,309.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.