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Finding the Fourth Proportional to 574,354.51, 860,755.38 and 414,703.51

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Solution

The fourth proportional to 574,354.51, 860,755.38 and 414,703.51 is: 621,494.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,354.51 : 860,755.38 = 414,703.51 : x
  2. Step 2: Convert to fraction form
    574,354.51/860,755.38 = 414,703.51/x
  3. Step 3: Cross multiply
    574,354.51x = 860,755.38 × 414,703.51
  4. Step 4: Simplify right side
    574,354.51x = 356,958,277,337.38
  5. Step 5: Solve for x
    x = 356,958,277,337.38/574,354.51
  6. Step 6: Final answer
    x = 621,494.69

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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.