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Finding the Fourth Proportional to 496,268.75, 744,151.62 and 211,915.01

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Solution

The fourth proportional to 496,268.75, 744,151.62 and 211,915.01 is: 317,765.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,268.75 : 744,151.62 = 211,915.01 : x
  2. Step 2: Convert to fraction form
    496,268.75/744,151.62 = 211,915.01/x
  3. Step 3: Cross multiply
    496,268.75x = 744,151.62 × 211,915.01
  4. Step 4: Simplify right side
    496,268.75x = 157,696,897,993.82
  5. Step 5: Solve for x
    x = 157,696,897,993.82/496,268.75
  6. Step 6: Final answer
    x = 317,765.12

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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.