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Finding the Fourth Proportional to 350,692.40, 526,087.20 and 125,998.40

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Solution

The fourth proportional to 350,692.40, 526,087.20 and 125,998.40 is: 189,015.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,692.40 : 526,087.20 = 125,998.40 : x
  2. Step 2: Convert to fraction form
    350,692.40/526,087.20 = 125,998.40/x
  3. Step 3: Cross multiply
    350,692.40x = 526,087.20 × 125,998.40
  4. Step 4: Simplify right side
    350,692.40x = 66,286,145,460.48
  5. Step 5: Solve for x
    x = 66,286,145,460.48/350,692.40
  6. Step 6: Final answer
    x = 189,015.06

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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.