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Finding the Fourth Proportional to 572,234.40, 860,425.20 and 559,792.80

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Solution

The fourth proportional to 572,234.40, 860,425.20 and 559,792.80 is: 841,717.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,234.40 : 860,425.20 = 559,792.80 : x
  2. Step 2: Convert to fraction form
    572,234.40/860,425.20 = 559,792.80/x
  3. Step 3: Cross multiply
    572,234.40x = 860,425.20 × 559,792.80
  4. Step 4: Simplify right side
    572,234.40x = 481,659,831,898.56
  5. Step 5: Solve for x
    x = 481,659,831,898.56/572,234.40
  6. Step 6: Final answer
    x = 841,717.72

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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.