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Finding the Fourth Proportional to 598,889.60, 898,334.40 and 539,840.60

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Solution

The fourth proportional to 598,889.60, 898,334.40 and 539,840.60 is: 809,760.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,889.60 : 898,334.40 = 539,840.60 : x
  2. Step 2: Convert to fraction form
    598,889.60/898,334.40 = 539,840.60/x
  3. Step 3: Cross multiply
    598,889.60x = 898,334.40 × 539,840.60
  4. Step 4: Simplify right side
    598,889.60x = 484,957,381,496.64
  5. Step 5: Solve for x
    x = 484,957,381,496.64/598,889.60
  6. Step 6: Final answer
    x = 809,760.90

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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.