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Finding the Fourth Proportional to 351,301.62, 484,805.64 and 213,433.62

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Solution

The fourth proportional to 351,301.62, 484,805.64 and 213,433.62 is: 294,544.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,301.62 : 484,805.64 = 213,433.62 : x
  2. Step 2: Convert to fraction form
    351,301.62/484,805.64 = 213,433.62/x
  3. Step 3: Cross multiply
    351,301.62x = 484,805.64 × 213,433.62
  4. Step 4: Simplify right side
    351,301.62x = 103,473,822,741.62
  5. Step 5: Solve for x
    x = 103,473,822,741.62/351,301.62
  6. Step 6: Final answer
    x = 294,544.11

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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.