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Finding the Fourth Proportional to 265,078.64, 397,622.08 and 251,620.39

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Solution

The fourth proportional to 265,078.64, 397,622.08 and 251,620.39 is: 377,434.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,078.64 : 397,622.08 = 251,620.39 : x
  2. Step 2: Convert to fraction form
    265,078.64/397,622.08 = 251,620.39/x
  3. Step 3: Cross multiply
    265,078.64x = 397,622.08 × 251,620.39
  4. Step 4: Simplify right side
    265,078.64x = 100,049,823,653.76
  5. Step 5: Solve for x
    x = 100,049,823,653.76/265,078.64
  6. Step 6: Final answer
    x = 377,434.50

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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.