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Finding the Fourth Proportional to 577,026.50, 796,281.90 and 322,379.60

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Solution

The fourth proportional to 577,026.50, 796,281.90 and 322,379.60 is: 444,875.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,026.50 : 796,281.90 = 322,379.60 : x
  2. Step 2: Convert to fraction form
    577,026.50/796,281.90 = 322,379.60/x
  3. Step 3: Cross multiply
    577,026.50x = 796,281.90 × 322,379.60
  4. Step 4: Simplify right side
    577,026.50x = 256,705,040,409.24
  5. Step 5: Solve for x
    x = 256,705,040,409.24/577,026.50
  6. Step 6: Final answer
    x = 444,875.65

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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.