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Finding the Fourth Proportional to 578,603.94, 798,464.52 and 323,964.24

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Solution

The fourth proportional to 578,603.94, 798,464.52 and 323,964.24 is: 447,065.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,603.94 : 798,464.52 = 323,964.24 : x
  2. Step 2: Convert to fraction form
    578,603.94/798,464.52 = 323,964.24/x
  3. Step 3: Cross multiply
    578,603.94x = 798,464.52 × 323,964.24
  4. Step 4: Simplify right side
    578,603.94x = 258,673,951,388.77
  5. Step 5: Solve for x
    x = 258,673,951,388.77/578,603.94
  6. Step 6: Final answer
    x = 447,065.66

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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.