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Finding the Fourth Proportional to 650,852.30, 976,278.45 and 276,826.70

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Solution

The fourth proportional to 650,852.30, 976,278.45 and 276,826.70 is: 415,240.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,852.30 : 976,278.45 = 276,826.70 : x
  2. Step 2: Convert to fraction form
    650,852.30/976,278.45 = 276,826.70/x
  3. Step 3: Cross multiply
    650,852.30x = 976,278.45 × 276,826.70
  4. Step 4: Simplify right side
    650,852.30x = 270,259,941,594.62
  5. Step 5: Solve for x
    x = 270,259,941,594.62/650,852.30
  6. Step 6: Final answer
    x = 415,240.05

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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.