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Finding the Fourth Proportional to 605,428.64, 835,491.44 and 350,927.44

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Solution

The fourth proportional to 605,428.64, 835,491.44 and 350,927.44 is: 484,279.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,428.64 : 835,491.44 = 350,927.44 : x
  2. Step 2: Convert to fraction form
    605,428.64/835,491.44 = 350,927.44/x
  3. Step 3: Cross multiply
    605,428.64x = 835,491.44 × 350,927.44
  4. Step 4: Simplify right side
    605,428.64x = 293,196,872,181.11
  5. Step 5: Solve for x
    x = 293,196,872,181.11/605,428.64
  6. Step 6: Final answer
    x = 484,279.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.