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Finding the Fourth Proportional to 441,401.60, 662,188.80 and 188,681.60

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Solution

The fourth proportional to 441,401.60, 662,188.80 and 188,681.60 is: 283,059.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,401.60 : 662,188.80 = 188,681.60 : x
  2. Step 2: Convert to fraction form
    441,401.60/662,188.80 = 188,681.60/x
  3. Step 3: Cross multiply
    441,401.60x = 662,188.80 × 188,681.60
  4. Step 4: Simplify right side
    441,401.60x = 124,942,842,286.08
  5. Step 5: Solve for x
    x = 124,942,842,286.08/441,401.60
  6. Step 6: Final answer
    x = 283,059.33

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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.