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Finding the Fourth Proportional to 404,310.80, 606,466.20 and 193,840.40

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Solution

The fourth proportional to 404,310.80, 606,466.20 and 193,840.40 is: 290,760.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,310.80 : 606,466.20 = 193,840.40 : x
  2. Step 2: Convert to fraction form
    404,310.80/606,466.20 = 193,840.40/x
  3. Step 3: Cross multiply
    404,310.80x = 606,466.20 × 193,840.40
  4. Step 4: Simplify right side
    404,310.80x = 117,557,650,794.48
  5. Step 5: Solve for x
    x = 117,557,650,794.48/404,310.80
  6. Step 6: Final answer
    x = 290,760.60

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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.