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Finding the Fourth Proportional to 348,522.32, 523,004.88 and 148,844.36

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Solution

The fourth proportional to 348,522.32, 523,004.88 and 148,844.36 is: 223,361.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,522.32 : 523,004.88 = 148,844.36 : x
  2. Step 2: Convert to fraction form
    348,522.32/523,004.88 = 148,844.36/x
  3. Step 3: Cross multiply
    348,522.32x = 523,004.88 × 148,844.36
  4. Step 4: Simplify right side
    348,522.32x = 77,846,326,640.48
  5. Step 5: Solve for x
    x = 77,846,326,640.48/348,522.32
  6. Step 6: Final answer
    x = 223,361.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.