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Finding the Fourth Proportional to 445,907.37, 615,863.19 and 293,626.29

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Solution

The fourth proportional to 445,907.37, 615,863.19 and 293,626.29 is: 405,540.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,907.37 : 615,863.19 = 293,626.29 : x
  2. Step 2: Convert to fraction form
    445,907.37/615,863.19 = 293,626.29/x
  3. Step 3: Cross multiply
    445,907.37x = 615,863.19 × 293,626.29
  4. Step 4: Simplify right side
    445,907.37x = 180,833,623,627.27
  5. Step 5: Solve for x
    x = 180,833,623,627.27/445,907.37
  6. Step 6: Final answer
    x = 405,540.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.