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Finding the Fourth Proportional to 348,574.78, 481,013.64 and 195,598.72

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Solution

The fourth proportional to 348,574.78, 481,013.64 and 195,598.72 is: 269,915.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,574.78 : 481,013.64 = 195,598.72 : x
  2. Step 2: Convert to fraction form
    348,574.78/481,013.64 = 195,598.72/x
  3. Step 3: Cross multiply
    348,574.78x = 481,013.64 × 195,598.72
  4. Step 4: Simplify right side
    348,574.78x = 94,085,652,286.54
  5. Step 5: Solve for x
    x = 94,085,652,286.54/348,574.78
  6. Step 6: Final answer
    x = 269,915.26

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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.