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Finding the Fourth Proportional to 996,463, 1,375,148.10 and 543,783.16

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Solution

The fourth proportional to 996,463, 1,375,148.10 and 543,783.16 is: 750,436.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,463 : 1,375,148.10 = 543,783.16 : x
  2. Step 2: Convert to fraction form
    996,463/1,375,148.10 = 543,783.16/x
  3. Step 3: Cross multiply
    996,463x = 1,375,148.10 × 543,783.16
  4. Step 4: Simplify right side
    996,463x = 747,782,379,286.00
  5. Step 5: Solve for x
    x = 747,782,379,286.00/996,463
  6. Step 6: Final answer
    x = 750,436.67

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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.