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Finding the Fourth Proportional to 468,719.37, 703,335 and 198,805.52

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Solution

The fourth proportional to 468,719.37, 703,335 and 198,805.52 is: 298,316.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,719.37 : 703,335 = 198,805.52 : x
  2. Step 2: Convert to fraction form
    468,719.37/703,335 = 198,805.52/x
  3. Step 3: Cross multiply
    468,719.37x = 703,335 × 198,805.52
  4. Step 4: Simplify right side
    468,719.37x = 139,826,876,892.53
  5. Step 5: Solve for x
    x = 139,826,876,892.53/468,719.37
  6. Step 6: Final answer
    x = 298,316.83

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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.