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Finding the Fourth Proportional to 599,138.30, 898,985.32 and 262,134.56

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Solution

The fourth proportional to 599,138.30, 898,985.32 and 262,134.56 is: 393,323.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,138.30 : 898,985.32 = 262,134.56 : x
  2. Step 2: Convert to fraction form
    599,138.30/898,985.32 = 262,134.56/x
  3. Step 3: Cross multiply
    599,138.30x = 898,985.32 × 262,134.56
  4. Step 4: Simplify right side
    599,138.30x = 235,655,121,304.66
  5. Step 5: Solve for x
    x = 235,655,121,304.66/599,138.30
  6. Step 6: Final answer
    x = 393,323.41

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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.