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Finding the Fourth Proportional to 655,261.73, 983,129.12 and 228,860.32

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Solution

The fourth proportional to 655,261.73, 983,129.12 and 228,860.32 is: 343,373.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,261.73 : 983,129.12 = 228,860.32 : x
  2. Step 2: Convert to fraction form
    655,261.73/983,129.12 = 228,860.32/x
  3. Step 3: Cross multiply
    655,261.73x = 983,129.12 × 228,860.32
  4. Step 4: Simplify right side
    655,261.73x = 224,999,245,004.52
  5. Step 5: Solve for x
    x = 224,999,245,004.52/655,261.73
  6. Step 6: Final answer
    x = 343,373.09

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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.