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Finding the Fourth Proportional to 573,623.60, 860,435.40 and 324,791.60

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Solution

The fourth proportional to 573,623.60, 860,435.40 and 324,791.60 is: 487,187.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,623.60 : 860,435.40 = 324,791.60 : x
  2. Step 2: Convert to fraction form
    573,623.60/860,435.40 = 324,791.60/x
  3. Step 3: Cross multiply
    573,623.60x = 860,435.40 × 324,791.60
  4. Step 4: Simplify right side
    573,623.60x = 279,462,190,262.64
  5. Step 5: Solve for x
    x = 279,462,190,262.64/573,623.60
  6. Step 6: Final answer
    x = 487,187.40

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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.