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Finding the Fourth Proportional to 376,894.69, 520,158.93 and 223,934.14

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Solution

The fourth proportional to 376,894.69, 520,158.93 and 223,934.14 is: 309,055.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,894.69 : 520,158.93 = 223,934.14 : x
  2. Step 2: Convert to fraction form
    376,894.69/520,158.93 = 223,934.14/x
  3. Step 3: Cross multiply
    376,894.69x = 520,158.93 × 223,934.14
  4. Step 4: Simplify right side
    376,894.69x = 116,481,342,652.87
  5. Step 5: Solve for x
    x = 116,481,342,652.87/376,894.69
  6. Step 6: Final answer
    x = 309,055.41

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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.