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Finding the Fourth Proportional to 599,756.76, 898,935.66 and 220,391.64

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Solution

The fourth proportional to 599,756.76, 898,935.66 and 220,391.64 is: 330,330.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,756.76 : 898,935.66 = 220,391.64 : x
  2. Step 2: Convert to fraction form
    599,756.76/898,935.66 = 220,391.64/x
  3. Step 3: Cross multiply
    599,756.76x = 898,935.66 × 220,391.64
  4. Step 4: Simplify right side
    599,756.76x = 198,117,904,361.88
  5. Step 5: Solve for x
    x = 198,117,904,361.88/599,756.76
  6. Step 6: Final answer
    x = 330,330.42

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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.