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Finding the Fourth Proportional to 350,129.20, 525,258.60 and 113,479.60

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Solution

The fourth proportional to 350,129.20, 525,258.60 and 113,479.60 is: 170,240.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,129.20 : 525,258.60 = 113,479.60 : x
  2. Step 2: Convert to fraction form
    350,129.20/525,258.60 = 113,479.60/x
  3. Step 3: Cross multiply
    350,129.20x = 525,258.60 × 113,479.60
  4. Step 4: Simplify right side
    350,129.20x = 59,606,135,824.56
  5. Step 5: Solve for x
    x = 59,606,135,824.56/350,129.20
  6. Step 6: Final answer
    x = 170,240.40

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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.