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Finding the Fourth Proportional to 480,213.72, 662,696.60 and 262,422.36

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Solution

The fourth proportional to 480,213.72, 662,696.60 and 262,422.36 is: 362,143.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,213.72 : 662,696.60 = 262,422.36 : x
  2. Step 2: Convert to fraction form
    480,213.72/662,696.60 = 262,422.36/x
  3. Step 3: Cross multiply
    480,213.72x = 662,696.60 × 262,422.36
  4. Step 4: Simplify right side
    480,213.72x = 173,906,405,735.98
  5. Step 5: Solve for x
    x = 173,906,405,735.98/480,213.72
  6. Step 6: Final answer
    x = 362,143.77

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1.5x scale

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.