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Finding the Fourth Proportional to 455,960.95, 629,258.67 and 252,007.49

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Solution

The fourth proportional to 455,960.95, 629,258.67 and 252,007.49 is: 347,788.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,960.95 : 629,258.67 = 252,007.49 : x
  2. Step 2: Convert to fraction form
    455,960.95/629,258.67 = 252,007.49/x
  3. Step 3: Cross multiply
    455,960.95x = 629,258.67 × 252,007.49
  4. Step 4: Simplify right side
    455,960.95x = 158,577,893,581.11
  5. Step 5: Solve for x
    x = 158,577,893,581.11/455,960.95
  6. Step 6: Final answer
    x = 347,788.33

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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.