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Finding the Fourth Proportional to 806,544.99, 1,210,375.17 and 333,234.45

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Solution

The fourth proportional to 806,544.99, 1,210,375.17 and 333,234.45 is: 500,082.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,544.99 : 1,210,375.17 = 333,234.45 : x
  2. Step 2: Convert to fraction form
    806,544.99/1,210,375.17 = 333,234.45/x
  3. Step 3: Cross multiply
    806,544.99x = 1,210,375.17 × 333,234.45
  4. Step 4: Simplify right side
    806,544.99x = 403,338,704,068.61
  5. Step 5: Solve for x
    x = 403,338,704,068.61/806,544.99
  6. Step 6: Final answer
    x = 500,082.09

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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.