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Finding the Fourth Proportional to 655,438.49, 983,211.08 and 182,123.90

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Solution

The fourth proportional to 655,438.49, 983,211.08 and 182,123.90 is: 273,200.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,438.49 : 983,211.08 = 182,123.90 : x
  2. Step 2: Convert to fraction form
    655,438.49/983,211.08 = 182,123.90/x
  3. Step 3: Cross multiply
    655,438.49x = 983,211.08 × 182,123.90
  4. Step 4: Simplify right side
    655,438.49x = 179,066,230,586.14
  5. Step 5: Solve for x
    x = 179,066,230,586.14/655,438.49
  6. Step 6: Final answer
    x = 273,200.67

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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.