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Finding the Fourth Proportional to 700,764.84, 967,055.22 and 378,474.84

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Solution

The fourth proportional to 700,764.84, 967,055.22 and 378,474.84 is: 522,295.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,764.84 : 967,055.22 = 378,474.84 : x
  2. Step 2: Convert to fraction form
    700,764.84/967,055.22 = 378,474.84/x
  3. Step 3: Cross multiply
    700,764.84x = 967,055.22 × 378,474.84
  4. Step 4: Simplify right side
    700,764.84x = 366,006,069,660.67
  5. Step 5: Solve for x
    x = 366,006,069,660.67/700,764.84
  6. Step 6: Final answer
    x = 522,295.14

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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.