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Finding the Fourth Proportional to 574,700.33, 860,721.89 and 554,771.30

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Solution

The fourth proportional to 574,700.33, 860,721.89 and 554,771.30 is: 830,874.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,700.33 : 860,721.89 = 554,771.30 : x
  2. Step 2: Convert to fraction form
    574,700.33/860,721.89 = 554,771.30/x
  3. Step 3: Cross multiply
    574,700.33x = 860,721.89 × 554,771.30
  4. Step 4: Simplify right side
    574,700.33x = 477,503,794,776.29
  5. Step 5: Solve for x
    x = 477,503,794,776.29/574,700.33
  6. Step 6: Final answer
    x = 830,874.41

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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.