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Finding the Fourth Proportional to 471,888.76, 651,207.42 and 257,028.16

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Solution

The fourth proportional to 471,888.76, 651,207.42 and 257,028.16 is: 354,699.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,888.76 : 651,207.42 = 257,028.16 : x
  2. Step 2: Convert to fraction form
    471,888.76/651,207.42 = 257,028.16/x
  3. Step 3: Cross multiply
    471,888.76x = 651,207.42 × 257,028.16
  4. Step 4: Simplify right side
    471,888.76x = 167,378,644,940.95
  5. Step 5: Solve for x
    x = 167,378,644,940.95/471,888.76
  6. Step 6: Final answer
    x = 354,699.37

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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.