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Finding the Fourth Proportional to 573,429.30, 860,252.85 and 189,201.48

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Solution

The fourth proportional to 573,429.30, 860,252.85 and 189,201.48 is: 283,838.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,429.30 : 860,252.85 = 189,201.48 : x
  2. Step 2: Convert to fraction form
    573,429.30/860,252.85 = 189,201.48/x
  3. Step 3: Cross multiply
    573,429.30x = 860,252.85 × 189,201.48
  4. Step 4: Simplify right side
    573,429.30x = 162,761,112,394.22
  5. Step 5: Solve for x
    x = 162,761,112,394.22/573,429.30
  6. Step 6: Final answer
    x = 283,838.15

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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.