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Finding the Fourth Proportional to 650,608.20, 975,620.70 and 251,116.20

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Solution

The fourth proportional to 650,608.20, 975,620.70 and 251,116.20 is: 376,561.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,608.20 : 975,620.70 = 251,116.20 : x
  2. Step 2: Convert to fraction form
    650,608.20/975,620.70 = 251,116.20/x
  3. Step 3: Cross multiply
    650,608.20x = 975,620.70 × 251,116.20
  4. Step 4: Simplify right side
    650,608.20x = 244,994,162,825.34
  5. Step 5: Solve for x
    x = 244,994,162,825.34/650,608.20
  6. Step 6: Final answer
    x = 376,561.75

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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.