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Finding the Fourth Proportional to 694,155.01, 957,927.24 and 388,227.73

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Solution

The fourth proportional to 694,155.01, 957,927.24 and 388,227.73 is: 535,750.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,155.01 : 957,927.24 = 388,227.73 : x
  2. Step 2: Convert to fraction form
    694,155.01/957,927.24 = 388,227.73/x
  3. Step 3: Cross multiply
    694,155.01x = 957,927.24 × 388,227.73
  4. Step 4: Simplify right side
    694,155.01x = 371,893,917,890.37
  5. Step 5: Solve for x
    x = 371,893,917,890.37/694,155.01
  6. Step 6: Final answer
    x = 535,750.53

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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.