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Finding the Fourth Proportional to 350,886.90, 526,418.02 and 101,568.90

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Solution

The fourth proportional to 350,886.90, 526,418.02 and 101,568.90 is: 152,378.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,886.90 : 526,418.02 = 101,568.90 : x
  2. Step 2: Convert to fraction form
    350,886.90/526,418.02 = 101,568.90/x
  3. Step 3: Cross multiply
    350,886.90x = 526,418.02 × 101,568.90
  4. Step 4: Simplify right side
    350,886.90x = 53,467,699,231.58
  5. Step 5: Solve for x
    x = 53,467,699,231.58/350,886.90
  6. Step 6: Final answer
    x = 152,378.73

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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.