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Finding the Fourth Proportional to 616,255.56, 850,354.52 and 361,513.80

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Solution

The fourth proportional to 616,255.56, 850,354.52 and 361,513.80 is: 498,843.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,255.56 : 850,354.52 = 361,513.80 : x
  2. Step 2: Convert to fraction form
    616,255.56/850,354.52 = 361,513.80/x
  3. Step 3: Cross multiply
    616,255.56x = 850,354.52 × 361,513.80
  4. Step 4: Simplify right side
    616,255.56x = 307,414,893,872.38
  5. Step 5: Solve for x
    x = 307,414,893,872.38/616,255.56
  6. Step 6: Final answer
    x = 498,843.20

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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.