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Finding the Fourth Proportional to 575,371.80, 793,996.56 and 320,717.52

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Solution

The fourth proportional to 575,371.80, 793,996.56 and 320,717.52 is: 442,580.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,371.80 : 793,996.56 = 320,717.52 : x
  2. Step 2: Convert to fraction form
    575,371.80/793,996.56 = 320,717.52/x
  3. Step 3: Cross multiply
    575,371.80x = 793,996.56 × 320,717.52
  4. Step 4: Simplify right side
    575,371.80x = 254,648,607,611.73
  5. Step 5: Solve for x
    x = 254,648,607,611.73/575,371.80
  6. Step 6: Final answer
    x = 442,580.97

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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.