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Finding the Fourth Proportional to 574,753.68, 860,588.73 and 321,312.37

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Solution

The fourth proportional to 574,753.68, 860,588.73 and 321,312.37 is: 481,106.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,753.68 : 860,588.73 = 321,312.37 : x
  2. Step 2: Convert to fraction form
    574,753.68/860,588.73 = 321,312.37/x
  3. Step 3: Cross multiply
    574,753.68x = 860,588.73 × 321,312.37
  4. Step 4: Simplify right side
    574,753.68x = 276,517,805,023.34
  5. Step 5: Solve for x
    x = 276,517,805,023.34/574,753.68
  6. Step 6: Final answer
    x = 481,106.63

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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.