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Finding the Fourth Proportional to 277,142.80, 414,676.20 and 197,365.20

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Solution

The fourth proportional to 277,142.80, 414,676.20 and 197,365.20 is: 295,308.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,142.80 : 414,676.20 = 197,365.20 : x
  2. Step 2: Convert to fraction form
    277,142.80/414,676.20 = 197,365.20/x
  3. Step 3: Cross multiply
    277,142.80x = 414,676.20 × 197,365.20
  4. Step 4: Simplify right side
    277,142.80x = 81,842,651,148.24
  5. Step 5: Solve for x
    x = 81,842,651,148.24/277,142.80
  6. Step 6: Final answer
    x = 295,308.60

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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.