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Finding the Fourth Proportional to 539,222.73, 744,092.82 and 297,505.28

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Solution

The fourth proportional to 539,222.73, 744,092.82 and 297,505.28 is: 410,538.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,222.73 : 744,092.82 = 297,505.28 : x
  2. Step 2: Convert to fraction form
    539,222.73/744,092.82 = 297,505.28/x
  3. Step 3: Cross multiply
    539,222.73x = 744,092.82 × 297,505.28
  4. Step 4: Simplify right side
    539,222.73x = 221,371,539,039.63
  5. Step 5: Solve for x
    x = 221,371,539,039.63/539,222.73
  6. Step 6: Final answer
    x = 410,538.22

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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.