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Finding the Fourth Proportional to 294,525.70, 441,788.55 and 205,879.30

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Solution

The fourth proportional to 294,525.70, 441,788.55 and 205,879.30 is: 308,818.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,525.70 : 441,788.55 = 205,879.30 : x
  2. Step 2: Convert to fraction form
    294,525.70/441,788.55 = 205,879.30/x
  3. Step 3: Cross multiply
    294,525.70x = 441,788.55 × 205,879.30
  4. Step 4: Simplify right side
    294,525.70x = 90,955,117,422.02
  5. Step 5: Solve for x
    x = 90,955,117,422.02/294,525.70
  6. Step 6: Final answer
    x = 308,818.95

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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.