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Finding the Fourth Proportional to 553,720.52, 764,141.46 and 327,364.04

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Solution

The fourth proportional to 553,720.52, 764,141.46 and 327,364.04 is: 451,766.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,720.52 : 764,141.46 = 327,364.04 : x
  2. Step 2: Convert to fraction form
    553,720.52/764,141.46 = 327,364.04/x
  3. Step 3: Cross multiply
    553,720.52x = 764,141.46 × 327,364.04
  4. Step 4: Simplify right side
    553,720.52x = 250,152,435,477.10
  5. Step 5: Solve for x
    x = 250,152,435,477.10/553,720.52
  6. Step 6: Final answer
    x = 451,766.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.