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Finding the Fourth Proportional to 398,010.63, 597,014.60 and 161,352.75

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Solution

The fourth proportional to 398,010.63, 597,014.60 and 161,352.75 is: 242,028.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,010.63 : 597,014.60 = 161,352.75 : x
  2. Step 2: Convert to fraction form
    398,010.63/597,014.60 = 161,352.75/x
  3. Step 3: Cross multiply
    398,010.63x = 597,014.60 × 161,352.75
  4. Step 4: Simplify right side
    398,010.63x = 96,329,946,693.39
  5. Step 5: Solve for x
    x = 96,329,946,693.39/398,010.63
  6. Step 6: Final answer
    x = 242,028.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.