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Finding the Fourth Proportional to 283,603.20, 412,274.40 and 283,603.20

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Solution

The fourth proportional to 283,603.20, 412,274.40 and 283,603.20 is: 412,274.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,603.20 : 412,274.40 = 283,603.20 : x
  2. Step 2: Convert to fraction form
    283,603.20/412,274.40 = 283,603.20/x
  3. Step 3: Cross multiply
    283,603.20x = 412,274.40 × 283,603.20
  4. Step 4: Simplify right side
    283,603.20x = 116,922,339,118.08
  5. Step 5: Solve for x
    x = 116,922,339,118.08/283,603.20
  6. Step 6: Final answer
    x = 412,274.40

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These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.