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Finding the Fourth Proportional to 483,116.93, 666,688.54 and 268,251.47

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Solution

The fourth proportional to 483,116.93, 666,688.54 and 268,251.47 is: 370,179.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,116.93 : 666,688.54 = 268,251.47 : x
  2. Step 2: Convert to fraction form
    483,116.93/666,688.54 = 268,251.47/x
  3. Step 3: Cross multiply
    483,116.93x = 666,688.54 × 268,251.47
  4. Step 4: Simplify right side
    483,116.93x = 178,840,180,887.15
  5. Step 5: Solve for x
    x = 178,840,180,887.15/483,116.93
  6. Step 6: Final answer
    x = 370,179.91

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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.