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Finding the Fourth Proportional to 322,078.40, 483,117.60 and 322,078.40

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Solution

The fourth proportional to 322,078.40, 483,117.60 and 322,078.40 is: 483,117.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,078.40 : 483,117.60 = 322,078.40 : x
  2. Step 2: Convert to fraction form
    322,078.40/483,117.60 = 322,078.40/x
  3. Step 3: Cross multiply
    322,078.40x = 483,117.60 × 322,078.40
  4. Step 4: Simplify right side
    322,078.40x = 155,601,743,619.84
  5. Step 5: Solve for x
    x = 155,601,743,619.84/322,078.40
  6. Step 6: Final answer
    x = 483,117.60

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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.