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Finding the Fourth Proportional to 265,271.39, 397,907.11 and 65,595.55

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Solution

The fourth proportional to 265,271.39, 397,907.11 and 65,595.55 is: 98,393.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,271.39 : 397,907.11 = 65,595.55 : x
  2. Step 2: Convert to fraction form
    265,271.39/397,907.11 = 65,595.55/x
  3. Step 3: Cross multiply
    265,271.39x = 397,907.11 × 65,595.55
  4. Step 4: Simplify right side
    265,271.39x = 26,100,935,729.36
  5. Step 5: Solve for x
    x = 26,100,935,729.36/265,271.39
  6. Step 6: Final answer
    x = 98,393.33

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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.