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Finding the Fourth Proportional to 325,664.49, 488,510.44 and 89,006.52

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Solution

The fourth proportional to 325,664.49, 488,510.44 and 89,006.52 is: 133,513.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,664.49 : 488,510.44 = 89,006.52 : x
  2. Step 2: Convert to fraction form
    325,664.49/488,510.44 = 89,006.52/x
  3. Step 3: Cross multiply
    325,664.49x = 488,510.44 × 89,006.52
  4. Step 4: Simplify right side
    325,664.49x = 43,480,614,025.55
  5. Step 5: Solve for x
    x = 43,480,614,025.55/325,664.49
  6. Step 6: Final answer
    x = 133,513.52

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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.