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Finding the Fourth Proportional to 340,936.59, 511,425.39 and 104,281.32

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Solution

The fourth proportional to 340,936.59, 511,425.39 and 104,281.32 is: 156,428.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,936.59 : 511,425.39 = 104,281.32 : x
  2. Step 2: Convert to fraction form
    340,936.59/511,425.39 = 104,281.32/x
  3. Step 3: Cross multiply
    340,936.59x = 511,425.39 × 104,281.32
  4. Step 4: Simplify right side
    340,936.59x = 53,332,117,059.62
  5. Step 5: Solve for x
    x = 53,332,117,059.62/340,936.59
  6. Step 6: Final answer
    x = 156,428.26

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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.