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Finding the Fourth Proportional to 297,115.60, 445,476.60 and 164,059.60

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Solution

The fourth proportional to 297,115.60, 445,476.60 and 164,059.60 is: 245,980.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,115.60 : 445,476.60 = 164,059.60 : x
  2. Step 2: Convert to fraction form
    297,115.60/445,476.60 = 164,059.60/x
  3. Step 3: Cross multiply
    297,115.60x = 445,476.60 × 164,059.60
  4. Step 4: Simplify right side
    297,115.60x = 73,084,712,805.36
  5. Step 5: Solve for x
    x = 73,084,712,805.36/297,115.60
  6. Step 6: Final answer
    x = 245,980.73

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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.