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Finding the Fourth Proportional to 539,371.10, 804,635.86 and 524,710.34

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Solution

The fourth proportional to 539,371.10, 804,635.86 and 524,710.34 is: 782,764.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,371.10 : 804,635.86 = 524,710.34 : x
  2. Step 2: Convert to fraction form
    539,371.10/804,635.86 = 524,710.34/x
  3. Step 3: Cross multiply
    539,371.10x = 804,635.86 × 524,710.34
  4. Step 4: Simplify right side
    539,371.10x = 422,200,751,538.97
  5. Step 5: Solve for x
    x = 422,200,751,538.97/539,371.10
  6. Step 6: Final answer
    x = 782,764.88

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.