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Finding the Fourth Proportional to 929,796.97, 1,394,153.53 and 360,513

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Solution

The fourth proportional to 929,796.97, 1,394,153.53 and 360,513 is: 540,559.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,796.97 : 1,394,153.53 = 360,513 : x
  2. Step 2: Convert to fraction form
    929,796.97/1,394,153.53 = 360,513/x
  3. Step 3: Cross multiply
    929,796.97x = 1,394,153.53 × 360,513
  4. Step 4: Simplify right side
    929,796.97x = 502,610,471,560.89
  5. Step 5: Solve for x
    x = 502,610,471,560.89/929,796.97
  6. Step 6: Final answer
    x = 540,559.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.