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Finding the Fourth Proportional to 197,295.40, 295,964.70 and 191,074.60

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Solution

The fourth proportional to 197,295.40, 295,964.70 and 191,074.60 is: 286,632.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,295.40 : 295,964.70 = 191,074.60 : x
  2. Step 2: Convert to fraction form
    197,295.40/295,964.70 = 191,074.60/x
  3. Step 3: Cross multiply
    197,295.40x = 295,964.70 × 191,074.60
  4. Step 4: Simplify right side
    197,295.40x = 56,551,336,666.62
  5. Step 5: Solve for x
    x = 56,551,336,666.62/197,295.40
  6. Step 6: Final answer
    x = 286,632.82

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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.