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Finding the Fourth Proportional to 655,173.14, 982,996.16 and 228,771.81

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Solution

The fourth proportional to 655,173.14, 982,996.16 and 228,771.81 is: 343,240.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,173.14 : 982,996.16 = 228,771.81 : x
  2. Step 2: Convert to fraction form
    655,173.14/982,996.16 = 228,771.81/x
  3. Step 3: Cross multiply
    655,173.14x = 982,996.16 × 228,771.81
  4. Step 4: Simplify right side
    655,173.14x = 224,881,809,602.39
  5. Step 5: Solve for x
    x = 224,881,809,602.39/655,173.14
  6. Step 6: Final answer
    x = 343,240.28

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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.