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Finding the Fourth Proportional to 302,556.90, 453,835.35 and 196,268.70

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Solution

The fourth proportional to 302,556.90, 453,835.35 and 196,268.70 is: 294,403.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,556.90 : 453,835.35 = 196,268.70 : x
  2. Step 2: Convert to fraction form
    302,556.90/453,835.35 = 196,268.70/x
  3. Step 3: Cross multiply
    302,556.90x = 453,835.35 × 196,268.70
  4. Step 4: Simplify right side
    302,556.90x = 89,073,674,158.55
  5. Step 5: Solve for x
    x = 89,073,674,158.55/302,556.90
  6. Step 6: Final answer
    x = 294,403.05

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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.