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Finding the Fourth Proportional to 655,238.59, 983,094.42 and 228,837.21

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Solution

The fourth proportional to 655,238.59, 983,094.42 and 228,837.21 is: 343,338.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,238.59 : 983,094.42 = 228,837.21 : x
  2. Step 2: Convert to fraction form
    655,238.59/983,094.42 = 228,837.21/x
  3. Step 3: Cross multiply
    655,238.59x = 983,094.42 × 228,837.21
  4. Step 4: Simplify right side
    655,238.59x = 224,968,584,239.37
  5. Step 5: Solve for x
    x = 224,968,584,239.37/655,238.59
  6. Step 6: Final answer
    x = 343,338.42

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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.