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Finding the Fourth Proportional to 534,865.69, 736,796.31 and 458,134.79

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Solution

The fourth proportional to 534,865.69, 736,796.31 and 458,134.79 is: 631,096.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,865.69 : 736,796.31 = 458,134.79 : x
  2. Step 2: Convert to fraction form
    534,865.69/736,796.31 = 458,134.79/x
  3. Step 3: Cross multiply
    534,865.69x = 736,796.31 × 458,134.79
  4. Step 4: Simplify right side
    534,865.69x = 337,552,022,754.63
  5. Step 5: Solve for x
    x = 337,552,022,754.63/534,865.69
  6. Step 6: Final answer
    x = 631,096.80

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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.