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Finding the Fourth Proportional to 350,522.40, 526,129.20 and 173,229.60

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Solution

The fourth proportional to 350,522.40, 526,129.20 and 173,229.60 is: 260,015.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,522.40 : 526,129.20 = 173,229.60 : x
  2. Step 2: Convert to fraction form
    350,522.40/526,129.20 = 173,229.60/x
  3. Step 3: Cross multiply
    350,522.40x = 526,129.20 × 173,229.60
  4. Step 4: Simplify right side
    350,522.40x = 91,141,150,864.32
  5. Step 5: Solve for x
    x = 91,141,150,864.32/350,522.40
  6. Step 6: Final answer
    x = 260,015.20

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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.