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Finding the Fourth Proportional to 523,338.78, 785,008.98 and 149,361.78

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Solution

The fourth proportional to 523,338.78, 785,008.98 and 149,361.78 is: 224,042.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,338.78 : 785,008.98 = 149,361.78 : x
  2. Step 2: Convert to fraction form
    523,338.78/785,008.98 = 149,361.78/x
  3. Step 3: Cross multiply
    523,338.78x = 785,008.98 × 149,361.78
  4. Step 4: Simplify right side
    523,338.78x = 117,250,338,568.78
  5. Step 5: Solve for x
    x = 117,250,338,568.78/523,338.78
  6. Step 6: Final answer
    x = 224,042.90

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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.