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Finding the Fourth Proportional to 501,818.93, 692,491.56 and 272,371.28

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Solution

The fourth proportional to 501,818.93, 692,491.56 and 272,371.28 is: 375,862.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,818.93 : 692,491.56 = 272,371.28 : x
  2. Step 2: Convert to fraction form
    501,818.93/692,491.56 = 272,371.28/x
  3. Step 3: Cross multiply
    501,818.93x = 692,491.56 × 272,371.28
  4. Step 4: Simplify right side
    501,818.93x = 188,614,809,634.64
  5. Step 5: Solve for x
    x = 188,614,809,634.64/501,818.93
  6. Step 6: Final answer
    x = 375,862.29

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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.