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Finding the Fourth Proportional to 404,049.60, 605,199.60 and 334,065.60

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Solution

The fourth proportional to 404,049.60, 605,199.60 and 334,065.60 is: 500,375.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,049.60 : 605,199.60 = 334,065.60 : x
  2. Step 2: Convert to fraction form
    404,049.60/605,199.60 = 334,065.60/x
  3. Step 3: Cross multiply
    404,049.60x = 605,199.60 × 334,065.60
  4. Step 4: Simplify right side
    404,049.60x = 202,176,367,493.76
  5. Step 5: Solve for x
    x = 202,176,367,493.76/404,049.60
  6. Step 6: Final answer
    x = 500,375.12

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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.