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Finding the Fourth Proportional to 235,924.20, 353,195.10 and 208,276.20

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Solution

The fourth proportional to 235,924.20, 353,195.10 and 208,276.20 is: 311,804.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,924.20 : 353,195.10 = 208,276.20 : x
  2. Step 2: Convert to fraction form
    235,924.20/353,195.10 = 208,276.20/x
  3. Step 3: Cross multiply
    235,924.20x = 353,195.10 × 208,276.20
  4. Step 4: Simplify right side
    235,924.20x = 73,562,133,286.62
  5. Step 5: Solve for x
    x = 73,562,133,286.62/235,924.20
  6. Step 6: Final answer
    x = 311,804.10

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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.