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Finding the Fourth Proportional to 471,960.59, 651,302.43 and 257,100.80

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Solution

The fourth proportional to 471,960.59, 651,302.43 and 257,100.80 is: 354,797.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,960.59 : 651,302.43 = 257,100.80 : x
  2. Step 2: Convert to fraction form
    471,960.59/651,302.43 = 257,100.80/x
  3. Step 3: Cross multiply
    471,960.59x = 651,302.43 × 257,100.80
  4. Step 4: Simplify right side
    471,960.59x = 167,450,372,538.43
  5. Step 5: Solve for x
    x = 167,450,372,538.43/471,960.59
  6. Step 6: Final answer
    x = 354,797.37

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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.