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Finding the Fourth Proportional to 323,573.96, 485,362.08 and 98,933.52

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Solution

The fourth proportional to 323,573.96, 485,362.08 and 98,933.52 is: 148,400.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,573.96 : 485,362.08 = 98,933.52 : x
  2. Step 2: Convert to fraction form
    323,573.96/485,362.08 = 98,933.52/x
  3. Step 3: Cross multiply
    323,573.96x = 485,362.08 × 98,933.52
  4. Step 4: Simplify right side
    323,573.96x = 48,018,579,048.92
  5. Step 5: Solve for x
    x = 48,018,579,048.92/323,573.96
  6. Step 6: Final answer
    x = 148,400.63

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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.