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Finding the Fourth Proportional to 441,618.40, 662,476.20 and 161,196.40

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Solution

The fourth proportional to 441,618.40, 662,476.20 and 161,196.40 is: 241,812.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,618.40 : 662,476.20 = 161,196.40 : x
  2. Step 2: Convert to fraction form
    441,618.40/662,476.20 = 161,196.40/x
  3. Step 3: Cross multiply
    441,618.40x = 662,476.20 × 161,196.40
  4. Step 4: Simplify right side
    441,618.40x = 106,788,778,525.68
  5. Step 5: Solve for x
    x = 106,788,778,525.68/441,618.40
  6. Step 6: Final answer
    x = 241,812.34

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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.