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Finding the Fourth Proportional to 440,119.80, 660,050.10 and 173,791.80

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Solution

The fourth proportional to 440,119.80, 660,050.10 and 173,791.80 is: 260,636.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,119.80 : 660,050.10 = 173,791.80 : x
  2. Step 2: Convert to fraction form
    440,119.80/660,050.10 = 173,791.80/x
  3. Step 3: Cross multiply
    440,119.80x = 660,050.10 × 173,791.80
  4. Step 4: Simplify right side
    440,119.80x = 114,711,294,969.18
  5. Step 5: Solve for x
    x = 114,711,294,969.18/440,119.80
  6. Step 6: Final answer
    x = 260,636.52

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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.