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Finding the Fourth Proportional to 400,059, 600,383.88 and 189,697.68

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Solution

The fourth proportional to 400,059, 600,383.88 and 189,697.68 is: 284,686.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,059 : 600,383.88 = 189,697.68 : x
  2. Step 2: Convert to fraction form
    400,059/600,383.88 = 189,697.68/x
  3. Step 3: Cross multiply
    400,059x = 600,383.88 × 189,697.68
  4. Step 4: Simplify right side
    400,059x = 113,891,429,145.40
  5. Step 5: Solve for x
    x = 113,891,429,145.40/400,059
  6. Step 6: Final answer
    x = 284,686.58

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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.