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Finding the Fourth Proportional to 416,813.25, 574,884.90 and 358,768.77

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Solution

The fourth proportional to 416,813.25, 574,884.90 and 358,768.77 is: 494,827.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,813.25 : 574,884.90 = 358,768.77 : x
  2. Step 2: Convert to fraction form
    416,813.25/574,884.90 = 358,768.77/x
  3. Step 3: Cross multiply
    416,813.25x = 574,884.90 × 358,768.77
  4. Step 4: Simplify right side
    416,813.25x = 206,250,749,542.48
  5. Step 5: Solve for x
    x = 206,250,749,542.48/416,813.25
  6. Step 6: Final answer
    x = 494,827.71

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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.