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Finding the Fourth Proportional to 654,556.56, 903,300.32 and 382,647.68

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Solution

The fourth proportional to 654,556.56, 903,300.32 and 382,647.68 is: 528,060.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,556.56 : 903,300.32 = 382,647.68 : x
  2. Step 2: Convert to fraction form
    654,556.56/903,300.32 = 382,647.68/x
  3. Step 3: Cross multiply
    654,556.56x = 903,300.32 × 382,647.68
  4. Step 4: Simplify right side
    654,556.56x = 345,645,771,791.26
  5. Step 5: Solve for x
    x = 345,645,771,791.26/654,556.56
  6. Step 6: Final answer
    x = 528,060.97

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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.