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Finding the Fourth Proportional to 574,218.48, 860,454.72 and 274,286.04

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Solution

The fourth proportional to 574,218.48, 860,454.72 and 274,286.04 is: 411,012.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,218.48 : 860,454.72 = 274,286.04 : x
  2. Step 2: Convert to fraction form
    574,218.48/860,454.72 = 274,286.04/x
  3. Step 3: Cross multiply
    574,218.48x = 860,454.72 × 274,286.04
  4. Step 4: Simplify right side
    574,218.48x = 236,010,717,748.11
  5. Step 5: Solve for x
    x = 236,010,717,748.11/574,218.48
  6. Step 6: Final answer
    x = 411,012.06

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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.