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Finding the Fourth Proportional to 265,200.60, 397,800.90 and 236,170.20

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Solution

The fourth proportional to 265,200.60, 397,800.90 and 236,170.20 is: 354,255.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,200.60 : 397,800.90 = 236,170.20 : x
  2. Step 2: Convert to fraction form
    265,200.60/397,800.90 = 236,170.20/x
  3. Step 3: Cross multiply
    265,200.60x = 397,800.90 × 236,170.20
  4. Step 4: Simplify right side
    265,200.60x = 93,948,718,113.18
  5. Step 5: Solve for x
    x = 93,948,718,113.18/265,200.60
  6. Step 6: Final answer
    x = 354,255.30

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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.