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Finding the Fourth Proportional to 295,419.02, 443,128.55 and 235,976.36

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Solution

The fourth proportional to 295,419.02, 443,128.55 and 235,976.36 is: 353,964.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,419.02 : 443,128.55 = 235,976.36 : x
  2. Step 2: Convert to fraction form
    295,419.02/443,128.55 = 235,976.36/x
  3. Step 3: Cross multiply
    295,419.02x = 443,128.55 × 235,976.36
  4. Step 4: Simplify right side
    295,419.02x = 104,567,862,241.08
  5. Step 5: Solve for x
    x = 104,567,862,241.08/295,419.02
  6. Step 6: Final answer
    x = 353,964.56

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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.