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Finding the Fourth Proportional to 701,307.52, 967,808.79 and 379,016.82

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Solution

The fourth proportional to 701,307.52, 967,808.79 and 379,016.82 is: 523,045.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,307.52 : 967,808.79 = 379,016.82 : x
  2. Step 2: Convert to fraction form
    701,307.52/967,808.79 = 379,016.82/x
  3. Step 3: Cross multiply
    701,307.52x = 967,808.79 × 379,016.82
  4. Step 4: Simplify right side
    701,307.52x = 366,815,809,953.85
  5. Step 5: Solve for x
    x = 366,815,809,953.85/701,307.52
  6. Step 6: Final answer
    x = 523,045.60

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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.