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Finding the Fourth Proportional to 441,448.80, 661,712.40 and 241,461.60

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Solution

The fourth proportional to 441,448.80, 661,712.40 and 241,461.60 is: 361,940.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,448.80 : 661,712.40 = 241,461.60 : x
  2. Step 2: Convert to fraction form
    441,448.80/661,712.40 = 241,461.60/x
  3. Step 3: Cross multiply
    441,448.80x = 661,712.40 × 241,461.60
  4. Step 4: Simplify right side
    441,448.80x = 159,778,134,843.84
  5. Step 5: Solve for x
    x = 159,778,134,843.84/441,448.80
  6. Step 6: Final answer
    x = 361,940.35

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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.