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Finding the Fourth Proportional to 468,870.74, 647,040.84 and 254,016.26

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Solution

The fourth proportional to 468,870.74, 647,040.84 and 254,016.26 is: 350,542.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,870.74 : 647,040.84 = 254,016.26 : x
  2. Step 2: Convert to fraction form
    468,870.74/647,040.84 = 254,016.26/x
  3. Step 3: Cross multiply
    468,870.74x = 647,040.84 × 254,016.26
  4. Step 4: Simplify right side
    468,870.74x = 164,358,894,244.06
  5. Step 5: Solve for x
    x = 164,358,894,244.06/468,870.74
  6. Step 6: Final answer
    x = 350,542.02

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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.