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Finding the Fourth Proportional to 468,866.97, 647,036.96 and 254,005.16

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Solution

The fourth proportional to 468,866.97, 647,036.96 and 254,005.16 is: 350,527.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,866.97 : 647,036.96 = 254,005.16 : x
  2. Step 2: Convert to fraction form
    468,866.97/647,036.96 = 254,005.16/x
  3. Step 3: Cross multiply
    468,866.97x = 647,036.96 × 254,005.16
  4. Step 4: Simplify right side
    468,866.97x = 164,350,722,045.50
  5. Step 5: Solve for x
    x = 164,350,722,045.50/468,866.97
  6. Step 6: Final answer
    x = 350,527.40

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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.