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Finding the Fourth Proportional to 616,728.80, 925,093.20 and 593,109.20

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Solution

The fourth proportional to 616,728.80, 925,093.20 and 593,109.20 is: 889,663.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,728.80 : 925,093.20 = 593,109.20 : x
  2. Step 2: Convert to fraction form
    616,728.80/925,093.20 = 593,109.20/x
  3. Step 3: Cross multiply
    616,728.80x = 925,093.20 × 593,109.20
  4. Step 4: Simplify right side
    616,728.80x = 548,681,287,777.44
  5. Step 5: Solve for x
    x = 548,681,287,777.44/616,728.80
  6. Step 6: Final answer
    x = 889,663.80

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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.