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Finding the Fourth Proportional to 481,445.49, 664,386.63 and 266,580.93

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Solution

The fourth proportional to 481,445.49, 664,386.63 and 266,580.93 is: 367,877.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,445.49 : 664,386.63 = 266,580.93 : x
  2. Step 2: Convert to fraction form
    481,445.49/664,386.63 = 266,580.93/x
  3. Step 3: Cross multiply
    481,445.49x = 664,386.63 × 266,580.93
  4. Step 4: Simplify right side
    481,445.49x = 177,112,805,704.97
  5. Step 5: Solve for x
    x = 177,112,805,704.97/481,445.49
  6. Step 6: Final answer
    x = 367,877.17

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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.