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Finding the Fourth Proportional to 348,512.50, 480,873.09 and 205,220.26

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Solution

The fourth proportional to 348,512.50, 480,873.09 and 205,220.26 is: 283,160.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,512.50 : 480,873.09 = 205,220.26 : x
  2. Step 2: Convert to fraction form
    348,512.50/480,873.09 = 205,220.26/x
  3. Step 3: Cross multiply
    348,512.50x = 480,873.09 × 205,220.26
  4. Step 4: Simplify right side
    348,512.50x = 98,684,900,556.80
  5. Step 5: Solve for x
    x = 98,684,900,556.80/348,512.50
  6. Step 6: Final answer
    x = 283,160.29

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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.