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Finding the Fourth Proportional to 468,867.74, 647,036.70 and 254,013.26

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Solution

The fourth proportional to 468,867.74, 647,036.70 and 254,013.26 is: 350,537.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,867.74 : 647,036.70 = 254,013.26 : x
  2. Step 2: Convert to fraction form
    468,867.74/647,036.70 = 254,013.26/x
  3. Step 3: Cross multiply
    468,867.74x = 647,036.70 × 254,013.26
  4. Step 4: Simplify right side
    468,867.74x = 164,355,901,506.64
  5. Step 5: Solve for x
    x = 164,355,901,506.64/468,867.74
  6. Step 6: Final answer
    x = 350,537.88

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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.