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Finding the Fourth Proportional to 662,682.20, 993,245.70 and 283,602.20

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Solution

The fourth proportional to 662,682.20, 993,245.70 and 283,602.20 is: 425,070.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,682.20 : 993,245.70 = 283,602.20 : x
  2. Step 2: Convert to fraction form
    662,682.20/993,245.70 = 283,602.20/x
  3. Step 3: Cross multiply
    662,682.20x = 993,245.70 × 283,602.20
  4. Step 4: Simplify right side
    662,682.20x = 281,686,665,660.54
  5. Step 5: Solve for x
    x = 281,686,665,660.54/662,682.20
  6. Step 6: Final answer
    x = 425,070.52

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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.