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Finding the Fourth Proportional to 574,017.54, 860,468.07 and 274,420.50

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Solution

The fourth proportional to 574,017.54, 860,468.07 and 274,420.50 is: 411,363.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,017.54 : 860,468.07 = 274,420.50 : x
  2. Step 2: Convert to fraction form
    574,017.54/860,468.07 = 274,420.50/x
  3. Step 3: Cross multiply
    574,017.54x = 860,468.07 × 274,420.50
  4. Step 4: Simplify right side
    574,017.54x = 236,130,078,003.44
  5. Step 5: Solve for x
    x = 236,130,078,003.44/574,017.54
  6. Step 6: Final answer
    x = 411,363.87

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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.