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Finding the Fourth Proportional to 577,761.39, 866,944.27 and 236,458.17

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Solution

The fourth proportional to 577,761.39, 866,944.27 and 236,458.17 is: 354,810.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,761.39 : 866,944.27 = 236,458.17 : x
  2. Step 2: Convert to fraction form
    577,761.39/866,944.27 = 236,458.17/x
  3. Step 3: Cross multiply
    577,761.39x = 866,944.27 × 236,458.17
  4. Step 4: Simplify right side
    577,761.39x = 204,996,055,871.76
  5. Step 5: Solve for x
    x = 204,996,055,871.76/577,761.39
  6. Step 6: Final answer
    x = 354,810.93

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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.