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Finding the Fourth Proportional to 400,366.04, 599,926.98 and 252,311

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Solution

The fourth proportional to 400,366.04, 599,926.98 and 252,311 is: 378,074.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,366.04 : 599,926.98 = 252,311 : x
  2. Step 2: Convert to fraction form
    400,366.04/599,926.98 = 252,311/x
  3. Step 3: Cross multiply
    400,366.04x = 599,926.98 × 252,311
  4. Step 4: Simplify right side
    400,366.04x = 151,368,176,250.78
  5. Step 5: Solve for x
    x = 151,368,176,250.78/400,366.04
  6. Step 6: Final answer
    x = 378,074.46

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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.