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Finding the Fourth Proportional to 363,813.48, 498,426.77 and 350,177.49

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Solution

The fourth proportional to 363,813.48, 498,426.77 and 350,177.49 is: 479,745.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,813.48 : 498,426.77 = 350,177.49 : x
  2. Step 2: Convert to fraction form
    363,813.48/498,426.77 = 350,177.49/x
  3. Step 3: Cross multiply
    363,813.48x = 498,426.77 × 350,177.49
  4. Step 4: Simplify right side
    363,813.48x = 174,537,836,142.85
  5. Step 5: Solve for x
    x = 174,537,836,142.85/363,813.48
  6. Step 6: Final answer
    x = 479,745.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.