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Finding the Fourth Proportional to 443,895.85, 612,636.26 and 250,343.36

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Solution

The fourth proportional to 443,895.85, 612,636.26 and 250,343.36 is: 345,507.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,895.85 : 612,636.26 = 250,343.36 : x
  2. Step 2: Convert to fraction form
    443,895.85/612,636.26 = 250,343.36/x
  3. Step 3: Cross multiply
    443,895.85x = 612,636.26 × 250,343.36
  4. Step 4: Simplify right side
    443,895.85x = 153,369,419,176.90
  5. Step 5: Solve for x
    x = 153,369,419,176.90/443,895.85
  6. Step 6: Final answer
    x = 345,507.67

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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.