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Finding the Fourth Proportional to 694,951.56, 958,538.73 and 637,775.49

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Solution

The fourth proportional to 694,951.56, 958,538.73 and 637,775.49 is: 879,676.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,951.56 : 958,538.73 = 637,775.49 : x
  2. Step 2: Convert to fraction form
    694,951.56/958,538.73 = 637,775.49/x
  3. Step 3: Cross multiply
    694,951.56x = 958,538.73 × 637,775.49
  4. Step 4: Simplify right side
    694,951.56x = 611,332,508,209.73
  5. Step 5: Solve for x
    x = 611,332,508,209.73/694,951.56
  6. Step 6: Final answer
    x = 879,676.43

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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.