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Finding the Fourth Proportional to 577,308.73, 796,672.01 and 319,179.03

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Solution

The fourth proportional to 577,308.73, 796,672.01 and 319,179.03 is: 440,459.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,308.73 : 796,672.01 = 319,179.03 : x
  2. Step 2: Convert to fraction form
    577,308.73/796,672.01 = 319,179.03/x
  3. Step 3: Cross multiply
    577,308.73x = 796,672.01 × 319,179.03
  4. Step 4: Simplify right side
    577,308.73x = 254,280,999,379.95
  5. Step 5: Solve for x
    x = 254,280,999,379.95/577,308.73
  6. Step 6: Final answer
    x = 440,459.30

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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.