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Finding the Fourth Proportional to 259,647.80, 364,031.80 and 259,647.80

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Solution

The fourth proportional to 259,647.80, 364,031.80 and 259,647.80 is: 364,031.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,647.80 : 364,031.80 = 259,647.80 : x
  2. Step 2: Convert to fraction form
    259,647.80/364,031.80 = 259,647.80/x
  3. Step 3: Cross multiply
    259,647.80x = 364,031.80 × 259,647.80
  4. Step 4: Simplify right side
    259,647.80x = 94,520,056,000.04
  5. Step 5: Solve for x
    x = 94,520,056,000.04/259,647.80
  6. Step 6: Final answer
    x = 364,031.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.