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Finding the Fourth Proportional to 197,114.40, 276,660 and 197,114.40

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Solution

The fourth proportional to 197,114.40, 276,660 and 197,114.40 is: 276,660

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,114.40 : 276,660 = 197,114.40 : x
  2. Step 2: Convert to fraction form
    197,114.40/276,660 = 197,114.40/x
  3. Step 3: Cross multiply
    197,114.40x = 276,660 × 197,114.40
  4. Step 4: Simplify right side
    197,114.40x = 54,533,669,904
  5. Step 5: Solve for x
    x = 54,533,669,904/197,114.40
  6. Step 6: Final answer
    x = 276,660

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.