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Finding the Fourth Proportional to 574,112.58, 860,381.55 and 363,374.34

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Solution

The fourth proportional to 574,112.58, 860,381.55 and 363,374.34 is: 544,563.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,112.58 : 860,381.55 = 363,374.34 : x
  2. Step 2: Convert to fraction form
    574,112.58/860,381.55 = 363,374.34/x
  3. Step 3: Cross multiply
    574,112.58x = 860,381.55 × 363,374.34
  4. Step 4: Simplify right side
    574,112.58x = 312,640,577,879.43
  5. Step 5: Solve for x
    x = 312,640,577,879.43/574,112.58
  6. Step 6: Final answer
    x = 544,563.19

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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.