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Finding the Fourth Proportional to 445,292.72, 667,969.88 and 179,053.28

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Solution

The fourth proportional to 445,292.72, 667,969.88 and 179,053.28 is: 268,592.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,292.72 : 667,969.88 = 179,053.28 : x
  2. Step 2: Convert to fraction form
    445,292.72/667,969.88 = 179,053.28/x
  3. Step 3: Cross multiply
    445,292.72x = 667,969.88 × 179,053.28
  4. Step 4: Simplify right side
    445,292.72x = 119,602,197,955.21
  5. Step 5: Solve for x
    x = 119,602,197,955.21/445,292.72
  6. Step 6: Final answer
    x = 268,592.30

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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.