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Finding the Fourth Proportional to 777,679.56, 1,166,519.22 and 186,703.56

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Solution

The fourth proportional to 777,679.56, 1,166,519.22 and 186,703.56 is: 280,055.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,679.56 : 1,166,519.22 = 186,703.56 : x
  2. Step 2: Convert to fraction form
    777,679.56/1,166,519.22 = 186,703.56/x
  3. Step 3: Cross multiply
    777,679.56x = 1,166,519.22 × 186,703.56
  4. Step 4: Simplify right side
    777,679.56x = 217,793,291,182.42
  5. Step 5: Solve for x
    x = 217,793,291,182.42/777,679.56
  6. Step 6: Final answer
    x = 280,055.31

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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.