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Finding the Fourth Proportional to 578,604.94, 798,465.90 and 323,965.24

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Solution

The fourth proportional to 578,604.94, 798,465.90 and 323,965.24 is: 447,067.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,604.94 : 798,465.90 = 323,965.24 : x
  2. Step 2: Convert to fraction form
    578,604.94/798,465.90 = 323,965.24/x
  3. Step 3: Cross multiply
    578,604.94x = 798,465.90 × 323,965.24
  4. Step 4: Simplify right side
    578,604.94x = 258,675,196,925.32
  5. Step 5: Solve for x
    x = 258,675,196,925.32/578,604.94
  6. Step 6: Final answer
    x = 447,067.04

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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.