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Finding the Fourth Proportional to 526,062.87, 788,900.51 and 189,013.37

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Solution

The fourth proportional to 526,062.87, 788,900.51 and 189,013.37 is: 283,450.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,062.87 : 788,900.51 = 189,013.37 : x
  2. Step 2: Convert to fraction form
    526,062.87/788,900.51 = 189,013.37/x
  3. Step 3: Cross multiply
    526,062.87x = 788,900.51 × 189,013.37
  4. Step 4: Simplify right side
    526,062.87x = 149,112,740,517.85
  5. Step 5: Solve for x
    x = 149,112,740,517.85/526,062.87
  6. Step 6: Final answer
    x = 283,450.42

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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.