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Finding the Fourth Proportional to 441,132.40, 661,698.60 and 275,244.40

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Solution

The fourth proportional to 441,132.40, 661,698.60 and 275,244.40 is: 412,866.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,132.40 : 661,698.60 = 275,244.40 : x
  2. Step 2: Convert to fraction form
    441,132.40/661,698.60 = 275,244.40/x
  3. Step 3: Cross multiply
    441,132.40x = 661,698.60 × 275,244.40
  4. Step 4: Simplify right side
    441,132.40x = 182,128,834,137.84
  5. Step 5: Solve for x
    x = 182,128,834,137.84/441,132.40
  6. Step 6: Final answer
    x = 412,866.60

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1.5x scale

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.