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Finding the Fourth Proportional to 578,465.08, 798,273.66 and 323,815.96

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Solution

The fourth proportional to 578,465.08, 798,273.66 and 323,815.96 is: 446,861.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,465.08 : 798,273.66 = 323,815.96 : x
  2. Step 2: Convert to fraction form
    578,465.08/798,273.66 = 323,815.96/x
  3. Step 3: Cross multiply
    578,465.08x = 798,273.66 × 323,815.96
  4. Step 4: Simplify right side
    578,465.08x = 258,493,751,555.61
  5. Step 5: Solve for x
    x = 258,493,751,555.61/578,465.08
  6. Step 6: Final answer
    x = 446,861.46

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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.