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Finding the Fourth Proportional to 461,676.80, 636,712.40 and 325,470.40

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Solution

The fourth proportional to 461,676.80, 636,712.40 and 325,470.40 is: 448,866.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,676.80 : 636,712.40 = 325,470.40 : x
  2. Step 2: Convert to fraction form
    461,676.80/636,712.40 = 325,470.40/x
  3. Step 3: Cross multiply
    461,676.80x = 636,712.40 × 325,470.40
  4. Step 4: Simplify right side
    461,676.80x = 207,231,039,512.96
  5. Step 5: Solve for x
    x = 207,231,039,512.96/461,676.80
  6. Step 6: Final answer
    x = 448,866.05

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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.