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Finding the Fourth Proportional to 416,573.28, 624,023.19 and 191,620.89

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Solution

The fourth proportional to 416,573.28, 624,023.19 and 191,620.89 is: 287,046.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,573.28 : 624,023.19 = 191,620.89 : x
  2. Step 2: Convert to fraction form
    416,573.28/624,023.19 = 191,620.89/x
  3. Step 3: Cross multiply
    416,573.28x = 624,023.19 × 191,620.89
  4. Step 4: Simplify right side
    416,573.28x = 119,575,879,048.44
  5. Step 5: Solve for x
    x = 119,575,879,048.44/416,573.28
  6. Step 6: Final answer
    x = 287,046.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.