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Finding the Fourth Proportional to 323,071.44, 484,640.30 and 123,559.64

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Solution

The fourth proportional to 323,071.44, 484,640.30 and 123,559.64 is: 185,352.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,071.44 : 484,640.30 = 123,559.64 : x
  2. Step 2: Convert to fraction form
    323,071.44/484,640.30 = 123,559.64/x
  3. Step 3: Cross multiply
    323,071.44x = 484,640.30 × 123,559.64
  4. Step 4: Simplify right side
    323,071.44x = 59,881,977,956.49
  5. Step 5: Solve for x
    x = 59,881,977,956.49/323,071.44
  6. Step 6: Final answer
    x = 185,352.13

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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.