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Finding the Fourth Proportional to 701,306.61, 967,807.55 and 379,015.95

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Solution

The fourth proportional to 701,306.61, 967,807.55 and 379,015.95 is: 523,044.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,306.61 : 967,807.55 = 379,015.95 : x
  2. Step 2: Convert to fraction form
    701,306.61/967,807.55 = 379,015.95/x
  3. Step 3: Cross multiply
    701,306.61x = 967,807.55 × 379,015.95
  4. Step 4: Simplify right side
    701,306.61x = 366,814,497,980.42
  5. Step 5: Solve for x
    x = 366,814,497,980.42/701,306.61
  6. Step 6: Final answer
    x = 523,044.40

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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.