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Finding the Fourth Proportional to 701,076, 967,484.88 and 378,786.18

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Solution

The fourth proportional to 701,076, 967,484.88 and 378,786.18 is: 522,724.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,076 : 967,484.88 = 378,786.18 : x
  2. Step 2: Convert to fraction form
    701,076/967,484.88 = 378,786.18/x
  3. Step 3: Cross multiply
    701,076x = 967,484.88 × 378,786.18
  4. Step 4: Simplify right side
    701,076x = 366,469,901,902.96
  5. Step 5: Solve for x
    x = 366,469,901,902.96/701,076
  6. Step 6: Final answer
    x = 522,724.93

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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.