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Finding the Fourth Proportional to 441,490.43, 662,334.36 and 161,007.68

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Solution

The fourth proportional to 441,490.43, 662,334.36 and 161,007.68 is: 241,547.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,490.43 : 662,334.36 = 161,007.68 : x
  2. Step 2: Convert to fraction form
    441,490.43/662,334.36 = 161,007.68/x
  3. Step 3: Cross multiply
    441,490.43x = 662,334.36 × 161,007.68
  4. Step 4: Simplify right side
    441,490.43x = 106,640,918,687.89
  5. Step 5: Solve for x
    x = 106,640,918,687.89/441,490.43
  6. Step 6: Final answer
    x = 241,547.52

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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.