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Finding the Fourth Proportional to 483,053.80, 666,583.35 and 268,193.80

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Solution

The fourth proportional to 483,053.80, 666,583.35 and 268,193.80 is: 370,090.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,053.80 : 666,583.35 = 268,193.80 : x
  2. Step 2: Convert to fraction form
    483,053.80/666,583.35 = 268,193.80/x
  3. Step 3: Cross multiply
    483,053.80x = 666,583.35 × 268,193.80
  4. Step 4: Simplify right side
    483,053.80x = 178,773,521,653.23
  5. Step 5: Solve for x
    x = 178,773,521,653.23/483,053.80
  6. Step 6: Final answer
    x = 370,090.29

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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.