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Finding the Fourth Proportional to 323,003.65, 484,525.45 and 98,380.63

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Solution

The fourth proportional to 323,003.65, 484,525.45 and 98,380.63 is: 147,577.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,003.65 : 484,525.45 = 98,380.63 : x
  2. Step 2: Convert to fraction form
    323,003.65/484,525.45 = 98,380.63/x
  3. Step 3: Cross multiply
    323,003.65x = 484,525.45 × 98,380.63
  4. Step 4: Simplify right side
    323,003.65x = 47,667,916,471.82
  5. Step 5: Solve for x
    x = 47,667,916,471.82/323,003.65
  6. Step 6: Final answer
    x = 147,577.02

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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.