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Finding the Fourth Proportional to 360,099.31, 496,894.69 and 198,944.75

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Solution

The fourth proportional to 360,099.31, 496,894.69 and 198,944.75 is: 274,520.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,099.31 : 496,894.69 = 198,944.75 : x
  2. Step 2: Convert to fraction form
    360,099.31/496,894.69 = 198,944.75/x
  3. Step 3: Cross multiply
    360,099.31x = 496,894.69 × 198,944.75
  4. Step 4: Simplify right side
    360,099.31x = 98,854,589,878.38
  5. Step 5: Solve for x
    x = 98,854,589,878.38/360,099.31
  6. Step 6: Final answer
    x = 274,520.35

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Half scale
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Double scale
Find fourth proportional to 360,100.31, 496,896.07 and 198,945.75
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.