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Finding the Fourth Proportional to 446,617.22, 616,324.28 and 242,671.28

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Solution

The fourth proportional to 446,617.22, 616,324.28 and 242,671.28 is: 334,882.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,617.22 : 616,324.28 = 242,671.28 : x
  2. Step 2: Convert to fraction form
    446,617.22/616,324.28 = 242,671.28/x
  3. Step 3: Cross multiply
    446,617.22x = 616,324.28 × 242,671.28
  4. Step 4: Simplify right side
    446,617.22x = 149,564,197,627.70
  5. Step 5: Solve for x
    x = 149,564,197,627.70/446,617.22
  6. Step 6: Final answer
    x = 334,882.29

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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.