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Finding the Fourth Proportional to 393,873.96, 543,547.62 and 224,104.44

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Solution

The fourth proportional to 393,873.96, 543,547.62 and 224,104.44 is: 309,265.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,873.96 : 543,547.62 = 224,104.44 : x
  2. Step 2: Convert to fraction form
    393,873.96/543,547.62 = 224,104.44/x
  3. Step 3: Cross multiply
    393,873.96x = 543,547.62 × 224,104.44
  4. Step 4: Simplify right side
    393,873.96x = 121,811,434,993.43
  5. Step 5: Solve for x
    x = 121,811,434,993.43/393,873.96
  6. Step 6: Final answer
    x = 309,265.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.