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Finding the Fourth Proportional to 265,034.04, 397,555.26 and 65,354.48

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Solution

The fourth proportional to 265,034.04, 397,555.26 and 65,354.48 is: 98,032.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,034.04 : 397,555.26 = 65,354.48 : x
  2. Step 2: Convert to fraction form
    265,034.04/397,555.26 = 65,354.48/x
  3. Step 3: Cross multiply
    265,034.04x = 397,555.26 × 65,354.48
  4. Step 4: Simplify right side
    265,034.04x = 25,982,015,300.79
  5. Step 5: Solve for x
    x = 25,982,015,300.79/265,034.04
  6. Step 6: Final answer
    x = 98,032.75

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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.