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Finding the Fourth Proportional to 340,611.80, 510,917.70 and 163,027.40

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Solution

The fourth proportional to 340,611.80, 510,917.70 and 163,027.40 is: 244,541.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,611.80 : 510,917.70 = 163,027.40 : x
  2. Step 2: Convert to fraction form
    340,611.80/510,917.70 = 163,027.40/x
  3. Step 3: Cross multiply
    340,611.80x = 510,917.70 × 163,027.40
  4. Step 4: Simplify right side
    340,611.80x = 83,293,584,244.98
  5. Step 5: Solve for x
    x = 83,293,584,244.98/340,611.80
  6. Step 6: Final answer
    x = 244,541.10

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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.