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Finding the Fourth Proportional to 396,878.49, 595,319.36 and 97,361.01

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Solution

The fourth proportional to 396,878.49, 595,319.36 and 97,361.01 is: 146,041.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,878.49 : 595,319.36 = 97,361.01 : x
  2. Step 2: Convert to fraction form
    396,878.49/595,319.36 = 97,361.01/x
  3. Step 3: Cross multiply
    396,878.49x = 595,319.36 × 97,361.01
  4. Step 4: Simplify right side
    396,878.49x = 57,960,893,675.35
  5. Step 5: Solve for x
    x = 57,960,893,675.35/396,878.49
  6. Step 6: Final answer
    x = 146,041.91

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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.