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Finding the Fourth Proportional to 573,999.60, 860,999.40 and 363,874.80

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Solution

The fourth proportional to 573,999.60, 860,999.40 and 363,874.80 is: 545,812.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,999.60 : 860,999.40 = 363,874.80 : x
  2. Step 2: Convert to fraction form
    573,999.60/860,999.40 = 363,874.80/x
  3. Step 3: Cross multiply
    573,999.60x = 860,999.40 × 363,874.80
  4. Step 4: Simplify right side
    573,999.60x = 313,295,984,475.12
  5. Step 5: Solve for x
    x = 313,295,984,475.12/573,999.60
  6. Step 6: Final answer
    x = 545,812.20

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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.