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Finding the Fourth Proportional to 598,887.60, 898,331.40 and 539,838.60

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Solution

The fourth proportional to 598,887.60, 898,331.40 and 539,838.60 is: 809,757.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,887.60 : 898,331.40 = 539,838.60 : x
  2. Step 2: Convert to fraction form
    598,887.60/898,331.40 = 539,838.60/x
  3. Step 3: Cross multiply
    598,887.60x = 898,331.40 × 539,838.60
  4. Step 4: Simplify right side
    598,887.60x = 484,953,965,312.04
  5. Step 5: Solve for x
    x = 484,953,965,312.04/598,887.60
  6. Step 6: Final answer
    x = 809,757.90

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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.