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Finding the Fourth Proportional to 573,558.75, 860,153.88 and 189,221.16

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Solution

The fourth proportional to 573,558.75, 860,153.88 and 189,221.16 is: 283,770.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,558.75 : 860,153.88 = 189,221.16 : x
  2. Step 2: Convert to fraction form
    573,558.75/860,153.88 = 189,221.16/x
  3. Step 3: Cross multiply
    573,558.75x = 860,153.88 × 189,221.16
  4. Step 4: Simplify right side
    573,558.75x = 162,759,314,952.10
  5. Step 5: Solve for x
    x = 162,759,314,952.10/573,558.75
  6. Step 6: Final answer
    x = 283,770.96

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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.