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Finding the Fourth Proportional to 543,843.37, 750,487.03 and 302,119.66

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Solution

The fourth proportional to 543,843.37, 750,487.03 and 302,119.66 is: 416,915.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,843.37 : 750,487.03 = 302,119.66 : x
  2. Step 2: Convert to fraction form
    543,843.37/750,487.03 = 302,119.66/x
  3. Step 3: Cross multiply
    543,843.37x = 750,487.03 × 302,119.66
  4. Step 4: Simplify right side
    543,843.37x = 226,736,886,338.01
  5. Step 5: Solve for x
    x = 226,736,886,338.01/543,843.37
  6. Step 6: Final answer
    x = 416,915.79

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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.