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Finding the Fourth Proportional to 340,859.60, 510,905.40 and 163,451.60

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Solution

The fourth proportional to 340,859.60, 510,905.40 and 163,451.60 is: 244,993.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,859.60 : 510,905.40 = 163,451.60 : x
  2. Step 2: Convert to fraction form
    340,859.60/510,905.40 = 163,451.60/x
  3. Step 3: Cross multiply
    340,859.60x = 510,905.40 × 163,451.60
  4. Step 4: Simplify right side
    340,859.60x = 83,508,305,078.64
  5. Step 5: Solve for x
    x = 83,508,305,078.64/340,859.60
  6. Step 6: Final answer
    x = 244,993.26

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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.