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Finding the Fourth Proportional to 694,806.83, 958,072.02 and 452,640.32

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Solution

The fourth proportional to 694,806.83, 958,072.02 and 452,640.32 is: 624,147.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,806.83 : 958,072.02 = 452,640.32 : x
  2. Step 2: Convert to fraction form
    694,806.83/958,072.02 = 452,640.32/x
  3. Step 3: Cross multiply
    694,806.83x = 958,072.02 × 452,640.32
  4. Step 4: Simplify right side
    694,806.83x = 433,662,022,820.86
  5. Step 5: Solve for x
    x = 433,662,022,820.86/694,806.83
  6. Step 6: Final answer
    x = 624,147.61

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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.