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Finding the Fourth Proportional to 295,907.74, 443,157.03 and 188,960.41

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Solution

The fourth proportional to 295,907.74, 443,157.03 and 188,960.41 is: 282,990.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,907.74 : 443,157.03 = 188,960.41 : x
  2. Step 2: Convert to fraction form
    295,907.74/443,157.03 = 188,960.41/x
  3. Step 3: Cross multiply
    295,907.74x = 443,157.03 × 188,960.41
  4. Step 4: Simplify right side
    295,907.74x = 83,739,134,083.18
  5. Step 5: Solve for x
    x = 83,739,134,083.18/295,907.74
  6. Step 6: Final answer
    x = 282,990.69

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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.