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Finding the Fourth Proportional to 591,993.51, 816,934.45 and 323,715.75

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Solution

The fourth proportional to 591,993.51, 816,934.45 and 323,715.75 is: 446,718.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,993.51 : 816,934.45 = 323,715.75 : x
  2. Step 2: Convert to fraction form
    591,993.51/816,934.45 = 323,715.75/x
  3. Step 3: Cross multiply
    591,993.51x = 816,934.45 × 323,715.75
  4. Step 4: Simplify right side
    591,993.51x = 264,454,548,182.59
  5. Step 5: Solve for x
    x = 264,454,548,182.59/591,993.51
  6. Step 6: Final answer
    x = 446,718.66

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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.