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Finding the Fourth Proportional to 275,860.08, 380,861.19 and 180,527.94

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Solution

The fourth proportional to 275,860.08, 380,861.19 and 180,527.94 is: 249,242.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,860.08 : 380,861.19 = 180,527.94 : x
  2. Step 2: Convert to fraction form
    275,860.08/380,861.19 = 180,527.94/x
  3. Step 3: Cross multiply
    275,860.08x = 380,861.19 × 180,527.94
  4. Step 4: Simplify right side
    275,860.08x = 68,756,086,056.65
  5. Step 5: Solve for x
    x = 68,756,086,056.65/275,860.08
  6. Step 6: Final answer
    x = 249,242.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.