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Finding the Fourth Proportional to 355,036.48, 489,954.24 and 193,896.27

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Solution

The fourth proportional to 355,036.48, 489,954.24 and 193,896.27 is: 267,578.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,036.48 : 489,954.24 = 193,896.27 : x
  2. Step 2: Convert to fraction form
    355,036.48/489,954.24 = 193,896.27/x
  3. Step 3: Cross multiply
    355,036.48x = 489,954.24 × 193,896.27
  4. Step 4: Simplify right side
    355,036.48x = 95,000,299,606.68
  5. Step 5: Solve for x
    x = 95,000,299,606.68/355,036.48
  6. Step 6: Final answer
    x = 267,578.98

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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.