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Finding the Fourth Proportional to 441,805.60, 662,794.80 and 189,085.60

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Solution

The fourth proportional to 441,805.60, 662,794.80 and 189,085.60 is: 283,665.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,805.60 : 662,794.80 = 189,085.60 : x
  2. Step 2: Convert to fraction form
    441,805.60/662,794.80 = 189,085.60/x
  3. Step 3: Cross multiply
    441,805.60x = 662,794.80 × 189,085.60
  4. Step 4: Simplify right side
    441,805.60x = 125,324,952,434.88
  5. Step 5: Solve for x
    x = 125,324,952,434.88/441,805.60
  6. Step 6: Final answer
    x = 283,665.38

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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.