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Finding the Fourth Proportional to 323,203.99, 484,804.66 and 98,563.76

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Solution

The fourth proportional to 323,203.99, 484,804.66 and 98,563.76 is: 147,845.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,203.99 : 484,804.66 = 98,563.76 : x
  2. Step 2: Convert to fraction form
    323,203.99/484,804.66 = 98,563.76/x
  3. Step 3: Cross multiply
    323,203.99x = 484,804.66 × 98,563.76
  4. Step 4: Simplify right side
    323,203.99x = 47,784,171,120.72
  5. Step 5: Solve for x
    x = 47,784,171,120.72/323,203.99
  6. Step 6: Final answer
    x = 147,845.24

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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.