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Finding the Fourth Proportional to 259,663.30, 364,053.50 and 259,663.30

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Solution

The fourth proportional to 259,663.30, 364,053.50 and 259,663.30 is: 364,053.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,663.30 : 364,053.50 = 259,663.30 : x
  2. Step 2: Convert to fraction form
    259,663.30/364,053.50 = 259,663.30/x
  3. Step 3: Cross multiply
    259,663.30x = 364,053.50 × 259,663.30
  4. Step 4: Simplify right side
    259,663.30x = 94,531,333,186.55
  5. Step 5: Solve for x
    x = 94,531,333,186.55/259,663.30
  6. Step 6: Final answer
    x = 364,053.50

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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.