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Finding the Fourth Proportional to 241,611.80, 362,417.70 and 205,842.20

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Solution

The fourth proportional to 241,611.80, 362,417.70 and 205,842.20 is: 308,763.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,611.80 : 362,417.70 = 205,842.20 : x
  2. Step 2: Convert to fraction form
    241,611.80/362,417.70 = 205,842.20/x
  3. Step 3: Cross multiply
    241,611.80x = 362,417.70 × 205,842.20
  4. Step 4: Simplify right side
    241,611.80x = 74,600,856,686.94
  5. Step 5: Solve for x
    x = 74,600,856,686.94/241,611.80
  6. Step 6: Final answer
    x = 308,763.30

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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.