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Finding the Fourth Proportional to 295,998.80, 443,123.40 and 196,271.60

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Solution

The fourth proportional to 295,998.80, 443,123.40 and 196,271.60 is: 293,827.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,998.80 : 443,123.40 = 196,271.60 : x
  2. Step 2: Convert to fraction form
    295,998.80/443,123.40 = 196,271.60/x
  3. Step 3: Cross multiply
    295,998.80x = 443,123.40 × 196,271.60
  4. Step 4: Simplify right side
    295,998.80x = 86,972,538,715.44
  5. Step 5: Solve for x
    x = 86,972,538,715.44/295,998.80
  6. Step 6: Final answer
    x = 293,827.34

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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.