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Finding the Fourth Proportional to 605,596.88, 835,715.98 and 329,966.23

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Solution

The fourth proportional to 605,596.88, 835,715.98 and 329,966.23 is: 455,349.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,596.88 : 835,715.98 = 329,966.23 : x
  2. Step 2: Convert to fraction form
    605,596.88/835,715.98 = 329,966.23/x
  3. Step 3: Cross multiply
    605,596.88x = 835,715.98 × 329,966.23
  4. Step 4: Simplify right side
    605,596.88x = 275,758,045,442.94
  5. Step 5: Solve for x
    x = 275,758,045,442.94/605,596.88
  6. Step 6: Final answer
    x = 455,349.18

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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.