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Finding the Fourth Proportional to 241,539.80, 361,872.30 and 206,547.80

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Solution

The fourth proportional to 241,539.80, 361,872.30 and 206,547.80 is: 309,447.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,539.80 : 361,872.30 = 206,547.80 : x
  2. Step 2: Convert to fraction form
    241,539.80/361,872.30 = 206,547.80/x
  3. Step 3: Cross multiply
    241,539.80x = 361,872.30 × 206,547.80
  4. Step 4: Simplify right side
    241,539.80x = 74,743,927,445.94
  5. Step 5: Solve for x
    x = 74,743,927,445.94/241,539.80
  6. Step 6: Final answer
    x = 309,447.67

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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.