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Finding the Fourth Proportional to 295,908.03, 443,973.78 and 177,661.80

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Solution

The fourth proportional to 295,908.03, 443,973.78 and 177,661.80 is: 266,559.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,908.03 : 443,973.78 = 177,661.80 : x
  2. Step 2: Convert to fraction form
    295,908.03/443,973.78 = 177,661.80/x
  3. Step 3: Cross multiply
    295,908.03x = 443,973.78 × 177,661.80
  4. Step 4: Simplify right side
    295,908.03x = 78,877,180,907.60
  5. Step 5: Solve for x
    x = 78,877,180,907.60/295,908.03
  6. Step 6: Final answer
    x = 266,559.79

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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.