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Finding the Fourth Proportional to 259,661.80, 364,051.40 and 259,661.80

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Solution

The fourth proportional to 259,661.80, 364,051.40 and 259,661.80 is: 364,051.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,661.80 : 364,051.40 = 259,661.80 : x
  2. Step 2: Convert to fraction form
    259,661.80/364,051.40 = 259,661.80/x
  3. Step 3: Cross multiply
    259,661.80x = 364,051.40 × 259,661.80
  4. Step 4: Simplify right side
    259,661.80x = 94,530,241,816.52
  5. Step 5: Solve for x
    x = 94,530,241,816.52/259,661.80
  6. Step 6: Final answer
    x = 364,051.40

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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.