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Finding the Fourth Proportional to 196,679.80, 295,019.70 and 174,518.20

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Solution

The fourth proportional to 196,679.80, 295,019.70 and 174,518.20 is: 261,777.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,679.80 : 295,019.70 = 174,518.20 : x
  2. Step 2: Convert to fraction form
    196,679.80/295,019.70 = 174,518.20/x
  3. Step 3: Cross multiply
    196,679.80x = 295,019.70 × 174,518.20
  4. Step 4: Simplify right side
    196,679.80x = 51,486,307,008.54
  5. Step 5: Solve for x
    x = 51,486,307,008.54/196,679.80
  6. Step 6: Final answer
    x = 261,777.30

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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.