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Finding the Fourth Proportional to 573,792.60, 860,721.30 and 174,446.40

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Solution

The fourth proportional to 573,792.60, 860,721.30 and 174,446.40 is: 261,679.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,792.60 : 860,721.30 = 174,446.40 : x
  2. Step 2: Convert to fraction form
    573,792.60/860,721.30 = 174,446.40/x
  3. Step 3: Cross multiply
    573,792.60x = 860,721.30 × 174,446.40
  4. Step 4: Simplify right side
    573,792.60x = 150,149,732,188.32
  5. Step 5: Solve for x
    x = 150,149,732,188.32/573,792.60
  6. Step 6: Final answer
    x = 261,679.45

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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.