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Finding the Fourth Proportional to 557,650.37, 769,556.09 and 303,001.56

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Solution

The fourth proportional to 557,650.37, 769,556.09 and 303,001.56 is: 418,141.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,650.37 : 769,556.09 = 303,001.56 : x
  2. Step 2: Convert to fraction form
    557,650.37/769,556.09 = 303,001.56/x
  3. Step 3: Cross multiply
    557,650.37x = 769,556.09 × 303,001.56
  4. Step 4: Simplify right side
    557,650.37x = 233,176,696,535.00
  5. Step 5: Solve for x
    x = 233,176,696,535.00/557,650.37
  6. Step 6: Final answer
    x = 418,141.38

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1.5x scale

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.