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Finding the Fourth Proportional to 404,423.88, 606,057.76 and 296,964.70

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Solution

The fourth proportional to 404,423.88, 606,057.76 and 296,964.70 is: 445,022.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,423.88 : 606,057.76 = 296,964.70 : x
  2. Step 2: Convert to fraction form
    404,423.88/606,057.76 = 296,964.70/x
  3. Step 3: Cross multiply
    404,423.88x = 606,057.76 × 296,964.70
  4. Step 4: Simplify right side
    404,423.88x = 179,977,760,881.07
  5. Step 5: Solve for x
    x = 179,977,760,881.07/404,423.88
  6. Step 6: Final answer
    x = 445,022.59

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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.