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Finding the Fourth Proportional to 481,654.98, 664,683.93 and 266,808.96

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Solution

The fourth proportional to 481,654.98, 664,683.93 and 266,808.96 is: 368,196.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,654.98 : 664,683.93 = 266,808.96 : x
  2. Step 2: Convert to fraction form
    481,654.98/664,683.93 = 266,808.96/x
  3. Step 3: Cross multiply
    481,654.98x = 664,683.93 × 266,808.96
  4. Step 4: Simplify right side
    481,654.98x = 177,343,628,092.01
  5. Step 5: Solve for x
    x = 177,343,628,092.01/481,654.98
  6. Step 6: Final answer
    x = 368,196.40

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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.