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Finding the Fourth Proportional to 665,799.68, 998,492.16 and 222,464

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Solution

The fourth proportional to 665,799.68, 998,492.16 and 222,464 is: 333,626.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,799.68 : 998,492.16 = 222,464 : x
  2. Step 2: Convert to fraction form
    665,799.68/998,492.16 = 222,464/x
  3. Step 3: Cross multiply
    665,799.68x = 998,492.16 × 222,464
  4. Step 4: Simplify right side
    665,799.68x = 222,128,559,882.24
  5. Step 5: Solve for x
    x = 222,128,559,882.24/665,799.68
  6. Step 6: Final answer
    x = 333,626.71

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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.