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Finding the Fourth Proportional to 334,148.36, 501,471.60 and 134,470.40

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Solution

The fourth proportional to 334,148.36, 501,471.60 and 134,470.40 is: 201,805.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,148.36 : 501,471.60 = 134,470.40 : x
  2. Step 2: Convert to fraction form
    334,148.36/501,471.60 = 134,470.40/x
  3. Step 3: Cross multiply
    334,148.36x = 501,471.60 × 134,470.40
  4. Step 4: Simplify right side
    334,148.36x = 67,433,086,640.64
  5. Step 5: Solve for x
    x = 67,433,086,640.64/334,148.36
  6. Step 6: Final answer
    x = 201,805.83

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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.