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Finding the Fourth Proportional to 623,660, 936,015.78 and 244,846.77

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Solution

The fourth proportional to 623,660, 936,015.78 and 244,846.77 is: 367,476.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,660 : 936,015.78 = 244,846.77 : x
  2. Step 2: Convert to fraction form
    623,660/936,015.78 = 244,846.77/x
  3. Step 3: Cross multiply
    623,660x = 936,015.78 × 244,846.77
  4. Step 4: Simplify right side
    623,660x = 229,180,440,402.03
  5. Step 5: Solve for x
    x = 229,180,440,402.03/623,660
  6. Step 6: Final answer
    x = 367,476.57

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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.