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Finding the Fourth Proportional to 283,604.20, 426,039.90 and 236,948.20

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Solution

The fourth proportional to 283,604.20, 426,039.90 and 236,948.20 is: 355,951.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,604.20 : 426,039.90 = 236,948.20 : x
  2. Step 2: Convert to fraction form
    283,604.20/426,039.90 = 236,948.20/x
  3. Step 3: Cross multiply
    283,604.20x = 426,039.90 × 236,948.20
  4. Step 4: Simplify right side
    283,604.20x = 100,949,387,433.18
  5. Step 5: Solve for x
    x = 100,949,387,433.18/283,604.20
  6. Step 6: Final answer
    x = 355,951.67

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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.