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Finding the Fourth Proportional to 471,420.67, 650,548.03 and 256,556.13

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Solution

The fourth proportional to 471,420.67, 650,548.03 and 256,556.13 is: 354,040.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,420.67 : 650,548.03 = 256,556.13 : x
  2. Step 2: Convert to fraction form
    471,420.67/650,548.03 = 256,556.13/x
  3. Step 3: Cross multiply
    471,420.67x = 650,548.03 × 256,556.13
  4. Step 4: Simplify right side
    471,420.67x = 166,902,084,955.92
  5. Step 5: Solve for x
    x = 166,902,084,955.92/471,420.67
  6. Step 6: Final answer
    x = 354,040.66

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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.