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Finding the Fourth Proportional to 183,428.40, 274,705.20 and 183,428.40

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Solution

The fourth proportional to 183,428.40, 274,705.20 and 183,428.40 is: 274,705.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,428.40 : 274,705.20 = 183,428.40 : x
  2. Step 2: Convert to fraction form
    183,428.40/274,705.20 = 183,428.40/x
  3. Step 3: Cross multiply
    183,428.40x = 274,705.20 × 183,428.40
  4. Step 4: Simplify right side
    183,428.40x = 50,388,735,307.68
  5. Step 5: Solve for x
    x = 50,388,735,307.68/183,428.40
  6. Step 6: Final answer
    x = 274,705.20

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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.