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Finding the Fourth Proportional to 471,969.14, 651,311.54 and 257,104.60

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Solution

The fourth proportional to 471,969.14, 651,311.54 and 257,104.60 is: 354,801.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,969.14 : 651,311.54 = 257,104.60 : x
  2. Step 2: Convert to fraction form
    471,969.14/651,311.54 = 257,104.60/x
  3. Step 3: Cross multiply
    471,969.14x = 651,311.54 × 257,104.60
  4. Step 4: Simplify right side
    471,969.14x = 167,455,189,710.53
  5. Step 5: Solve for x
    x = 167,455,189,710.53/471,969.14
  6. Step 6: Final answer
    x = 354,801.14

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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.