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Finding the Fourth Proportional to 650,848.80, 976,273.20 and 276,823.20

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Solution

The fourth proportional to 650,848.80, 976,273.20 and 276,823.20 is: 415,234.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,848.80 : 976,273.20 = 276,823.20 : x
  2. Step 2: Convert to fraction form
    650,848.80/976,273.20 = 276,823.20/x
  3. Step 3: Cross multiply
    650,848.80x = 976,273.20 × 276,823.20
  4. Step 4: Simplify right side
    650,848.80x = 270,255,071,298.24
  5. Step 5: Solve for x
    x = 270,255,071,298.24/650,848.80
  6. Step 6: Final answer
    x = 415,234.80

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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.