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Finding the Fourth Proportional to 404,372.30, 558,035.64 and 223,084.14

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Solution

The fourth proportional to 404,372.30, 558,035.64 and 223,084.14 is: 307,857.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,372.30 : 558,035.64 = 223,084.14 : x
  2. Step 2: Convert to fraction form
    404,372.30/558,035.64 = 223,084.14/x
  3. Step 3: Cross multiply
    404,372.30x = 558,035.64 × 223,084.14
  4. Step 4: Simplify right side
    404,372.30x = 124,488,900,838.75
  5. Step 5: Solve for x
    x = 124,488,900,838.75/404,372.30
  6. Step 6: Final answer
    x = 307,857.15

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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.