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Finding the Fourth Proportional to 539,709.34, 744,828.06 and 297,991.17

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Solution

The fourth proportional to 539,709.34, 744,828.06 and 297,991.17 is: 411,243.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,709.34 : 744,828.06 = 297,991.17 : x
  2. Step 2: Convert to fraction form
    539,709.34/744,828.06 = 297,991.17/x
  3. Step 3: Cross multiply
    539,709.34x = 744,828.06 × 297,991.17
  4. Step 4: Simplify right side
    539,709.34x = 221,952,181,324.09
  5. Step 5: Solve for x
    x = 221,952,181,324.09/539,709.34
  6. Step 6: Final answer
    x = 411,243.91

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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.