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Finding the Fourth Proportional to 350,775.96, 526,361.28 and 190,863.44

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Solution

The fourth proportional to 350,775.96, 526,361.28 and 190,863.44 is: 286,402.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,775.96 : 526,361.28 = 190,863.44 : x
  2. Step 2: Convert to fraction form
    350,775.96/526,361.28 = 190,863.44/x
  3. Step 3: Cross multiply
    350,775.96x = 526,361.28 × 190,863.44
  4. Step 4: Simplify right side
    350,775.96x = 100,463,124,583.60
  5. Step 5: Solve for x
    x = 100,463,124,583.60/350,775.96
  6. Step 6: Final answer
    x = 286,402.54

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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.