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Finding the Fourth Proportional to 301,084.53, 451,702.73 and 212,511.03

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Solution

The fourth proportional to 301,084.53, 451,702.73 and 212,511.03 is: 318,820.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,084.53 : 451,702.73 = 212,511.03 : x
  2. Step 2: Convert to fraction form
    301,084.53/451,702.73 = 212,511.03/x
  3. Step 3: Cross multiply
    301,084.53x = 451,702.73 × 212,511.03
  4. Step 4: Simplify right side
    301,084.53x = 95,991,812,937.39
  5. Step 5: Solve for x
    x = 95,991,812,937.39/301,084.53
  6. Step 6: Final answer
    x = 318,820.14

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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.