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Finding the Fourth Proportional to 483,039.65, 666,563.88 and 268,179.66

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Solution

The fourth proportional to 483,039.65, 666,563.88 and 268,179.66 is: 370,070.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,039.65 : 666,563.88 = 268,179.66 : x
  2. Step 2: Convert to fraction form
    483,039.65/666,563.88 = 268,179.66/x
  3. Step 3: Cross multiply
    483,039.65x = 666,563.88 × 268,179.66
  4. Step 4: Simplify right side
    483,039.65x = 178,758,875,712.36
  5. Step 5: Solve for x
    x = 178,758,875,712.36/483,039.65
  6. Step 6: Final answer
    x = 370,070.81

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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.