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Finding the Fourth Proportional to 446,843.78, 616,650.18 and 242,897.66

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Solution

The fourth proportional to 446,843.78, 616,650.18 and 242,897.66 is: 335,201.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,843.78 : 616,650.18 = 242,897.66 : x
  2. Step 2: Convert to fraction form
    446,843.78/616,650.18 = 242,897.66/x
  3. Step 3: Cross multiply
    446,843.78x = 616,650.18 × 242,897.66
  4. Step 4: Simplify right side
    446,843.78x = 149,782,885,760.58
  5. Step 5: Solve for x
    x = 149,782,885,760.58/446,843.78
  6. Step 6: Final answer
    x = 335,201.90

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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.