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Finding the Fourth Proportional to 806,295.33, 1,112,687.69 and 443,745

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Solution

The fourth proportional to 806,295.33, 1,112,687.69 and 443,745 is: 612,368.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,295.33 : 1,112,687.69 = 443,745 : x
  2. Step 2: Convert to fraction form
    806,295.33/1,112,687.69 = 443,745/x
  3. Step 3: Cross multiply
    806,295.33x = 1,112,687.69 × 443,745
  4. Step 4: Simplify right side
    806,295.33x = 493,749,596,780.33
  5. Step 5: Solve for x
    x = 493,749,596,780.33/806,295.33
  6. Step 6: Final answer
    x = 612,368.17

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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.