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Finding the Fourth Proportional to 574,700.45, 860,722.07 and 554,771.42

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Solution

The fourth proportional to 574,700.45, 860,722.07 and 554,771.42 is: 830,874.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,700.45 : 860,722.07 = 554,771.42 : x
  2. Step 2: Convert to fraction form
    574,700.45/860,722.07 = 554,771.42/x
  3. Step 3: Cross multiply
    574,700.45x = 860,722.07 × 554,771.42
  4. Step 4: Simplify right side
    574,700.45x = 477,504,004,999.24
  5. Step 5: Solve for x
    x = 477,504,004,999.24/574,700.45
  6. Step 6: Final answer
    x = 830,874.60

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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.