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Finding the Fourth Proportional to 654,825.60, 982,238.40 and 234,115.20

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Solution

The fourth proportional to 654,825.60, 982,238.40 and 234,115.20 is: 351,172.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,825.60 : 982,238.40 = 234,115.20 : x
  2. Step 2: Convert to fraction form
    654,825.60/982,238.40 = 234,115.20/x
  3. Step 3: Cross multiply
    654,825.60x = 982,238.40 × 234,115.20
  4. Step 4: Simplify right side
    654,825.60x = 229,956,939,463.68
  5. Step 5: Solve for x
    x = 229,956,939,463.68/654,825.60
  6. Step 6: Final answer
    x = 351,172.80

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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.