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Finding the Fourth Proportional to 334,201.76, 501,186.04 and 134,470.40

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Solution

The fourth proportional to 334,201.76, 501,186.04 and 134,470.40 is: 201,658.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,201.76 : 501,186.04 = 134,470.40 : x
  2. Step 2: Convert to fraction form
    334,201.76/501,186.04 = 134,470.40/x
  3. Step 3: Cross multiply
    334,201.76x = 501,186.04 × 134,470.40
  4. Step 4: Simplify right side
    334,201.76x = 67,394,687,273.22
  5. Step 5: Solve for x
    x = 67,394,687,273.22/334,201.76
  6. Step 6: Final answer
    x = 201,658.68

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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.