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Finding the Fourth Proportional to 481,258.71, 664,128.96 and 266,394.15

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Solution

The fourth proportional to 481,258.71, 664,128.96 and 266,394.15 is: 367,619.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,258.71 : 664,128.96 = 266,394.15 : x
  2. Step 2: Convert to fraction form
    481,258.71/664,128.96 = 266,394.15/x
  3. Step 3: Cross multiply
    481,258.71x = 664,128.96 × 266,394.15
  4. Step 4: Simplify right side
    481,258.71x = 176,920,069,789.58
  5. Step 5: Solve for x
    x = 176,920,069,789.58/481,258.71
  6. Step 6: Final answer
    x = 367,619.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.