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Finding the Fourth Proportional to 294,180.40, 440,233.80 and 205,015.60

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Solution

The fourth proportional to 294,180.40, 440,233.80 and 205,015.60 is: 306,800.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,180.40 : 440,233.80 = 205,015.60 : x
  2. Step 2: Convert to fraction form
    294,180.40/440,233.80 = 205,015.60/x
  3. Step 3: Cross multiply
    294,180.40x = 440,233.80 × 205,015.60
  4. Step 4: Simplify right side
    294,180.40x = 90,254,796,647.28
  5. Step 5: Solve for x
    x = 90,254,796,647.28/294,180.40
  6. Step 6: Final answer
    x = 306,800.85

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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.