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Finding the Fourth Proportional to 441,339.20, 660,696.60 and 441,339.20

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Solution

The fourth proportional to 441,339.20, 660,696.60 and 441,339.20 is: 660,696.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,339.20 : 660,696.60 = 441,339.20 : x
  2. Step 2: Convert to fraction form
    441,339.20/660,696.60 = 441,339.20/x
  3. Step 3: Cross multiply
    441,339.20x = 660,696.60 × 441,339.20
  4. Step 4: Simplify right side
    441,339.20x = 291,591,308,886.72
  5. Step 5: Solve for x
    x = 291,591,308,886.72/441,339.20
  6. Step 6: Final answer
    x = 660,696.60

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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.