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Finding the Fourth Proportional to 491,354.42, 735,961.88 and 301,239.86

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Solution

The fourth proportional to 491,354.42, 735,961.88 and 301,239.86 is: 451,203.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,354.42 : 735,961.88 = 301,239.86 : x
  2. Step 2: Convert to fraction form
    491,354.42/735,961.88 = 301,239.86/x
  3. Step 3: Cross multiply
    491,354.42x = 735,961.88 × 301,239.86
  4. Step 4: Simplify right side
    491,354.42x = 221,701,053,696.54
  5. Step 5: Solve for x
    x = 221,701,053,696.54/491,354.42
  6. Step 6: Final answer
    x = 451,203.95

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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.