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Finding the Fourth Proportional to 633,907.18, 949,283.42 and 443,476.11

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Solution

The fourth proportional to 633,907.18, 949,283.42 and 443,476.11 is: 664,110.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,907.18 : 949,283.42 = 443,476.11 : x
  2. Step 2: Convert to fraction form
    633,907.18/949,283.42 = 443,476.11/x
  3. Step 3: Cross multiply
    633,907.18x = 949,283.42 × 443,476.11
  4. Step 4: Simplify right side
    633,907.18x = 420,984,519,731.53
  5. Step 5: Solve for x
    x = 420,984,519,731.53/633,907.18
  6. Step 6: Final answer
    x = 664,110.67

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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.