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Finding the Fourth Proportional to 574,968.98, 861,500.07 and 349,647.84

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Solution

The fourth proportional to 574,968.98, 861,500.07 and 349,647.84 is: 523,891.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,968.98 : 861,500.07 = 349,647.84 : x
  2. Step 2: Convert to fraction form
    574,968.98/861,500.07 = 349,647.84/x
  3. Step 3: Cross multiply
    574,968.98x = 861,500.07 × 349,647.84
  4. Step 4: Simplify right side
    574,968.98x = 301,221,638,635.35
  5. Step 5: Solve for x
    x = 301,221,638,635.35/574,968.98
  6. Step 6: Final answer
    x = 523,891.98

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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.