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Finding the Fourth Proportional to 338,804.02, 467,654.24 and 217,945.39

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Solution

The fourth proportional to 338,804.02, 467,654.24 and 217,945.39 is: 300,831.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,804.02 : 467,654.24 = 217,945.39 : x
  2. Step 2: Convert to fraction form
    338,804.02/467,654.24 = 217,945.39/x
  3. Step 3: Cross multiply
    338,804.02x = 467,654.24 × 217,945.39
  4. Step 4: Simplify right side
    338,804.02x = 101,923,085,721.95
  5. Step 5: Solve for x
    x = 101,923,085,721.95/338,804.02
  6. Step 6: Final answer
    x = 300,831.98

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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.