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Finding the Fourth Proportional to 635,276.40, 952,712.28 and 208,713.20

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Solution

The fourth proportional to 635,276.40, 952,712.28 and 208,713.20 is: 313,003.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,276.40 : 952,712.28 = 208,713.20 : x
  2. Step 2: Convert to fraction form
    635,276.40/952,712.28 = 208,713.20/x
  3. Step 3: Cross multiply
    635,276.40x = 952,712.28 × 208,713.20
  4. Step 4: Simplify right side
    635,276.40x = 198,843,628,638.10
  5. Step 5: Solve for x
    x = 198,843,628,638.10/635,276.40
  6. Step 6: Final answer
    x = 313,003.33

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Similar ratio
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1.5x scale

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.