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Finding the Fourth Proportional to 526,040.60, 789,133.80 and 188,999.60

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Solution

The fourth proportional to 526,040.60, 789,133.80 and 188,999.60 is: 283,525.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,040.60 : 789,133.80 = 188,999.60 : x
  2. Step 2: Convert to fraction form
    526,040.60/789,133.80 = 188,999.60/x
  3. Step 3: Cross multiply
    526,040.60x = 789,133.80 × 188,999.60
  4. Step 4: Simplify right side
    526,040.60x = 149,145,972,546.48
  5. Step 5: Solve for x
    x = 149,145,972,546.48/526,040.60
  6. Step 6: Final answer
    x = 283,525.59

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1.5x scale

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.