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Finding the Fourth Proportional to 611,773.65, 844,382.67 and 339,934.98

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Solution

The fourth proportional to 611,773.65, 844,382.67 and 339,934.98 is: 469,185.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,773.65 : 844,382.67 = 339,934.98 : x
  2. Step 2: Convert to fraction form
    611,773.65/844,382.67 = 339,934.98/x
  3. Step 3: Cross multiply
    611,773.65x = 844,382.67 × 339,934.98
  4. Step 4: Simplify right side
    611,773.65x = 287,035,206,038.80
  5. Step 5: Solve for x
    x = 287,035,206,038.80/611,773.65
  6. Step 6: Final answer
    x = 469,185.30

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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.