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Finding the Fourth Proportional to 277,040.52, 413,386.20 and 260,112.60

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Solution

The fourth proportional to 277,040.52, 413,386.20 and 260,112.60 is: 388,127.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,040.52 : 413,386.20 = 260,112.60 : x
  2. Step 2: Convert to fraction form
    277,040.52/413,386.20 = 260,112.60/x
  3. Step 3: Cross multiply
    277,040.52x = 413,386.20 × 260,112.60
  4. Step 4: Simplify right side
    277,040.52x = 107,526,959,286.12
  5. Step 5: Solve for x
    x = 107,526,959,286.12/277,040.52
  6. Step 6: Final answer
    x = 388,127.19

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.