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Finding the Fourth Proportional to 662,308.20, 993,500.70 and 189,028.20

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Solution

The fourth proportional to 662,308.20, 993,500.70 and 189,028.20 is: 283,553.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,308.20 : 993,500.70 = 189,028.20 : x
  2. Step 2: Convert to fraction form
    662,308.20/993,500.70 = 189,028.20/x
  3. Step 3: Cross multiply
    662,308.20x = 993,500.70 × 189,028.20
  4. Step 4: Simplify right side
    662,308.20x = 187,799,649,019.74
  5. Step 5: Solve for x
    x = 187,799,649,019.74/662,308.20
  6. Step 6: Final answer
    x = 283,553.26

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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.