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Finding the Fourth Proportional to 882,506.40, 1,323,540.88 and 251,425.68

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Solution

The fourth proportional to 882,506.40, 1,323,540.88 and 251,425.68 is: 377,076.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,506.40 : 1,323,540.88 = 251,425.68 : x
  2. Step 2: Convert to fraction form
    882,506.40/1,323,540.88 = 251,425.68/x
  3. Step 3: Cross multiply
    882,506.40x = 1,323,540.88 × 251,425.68
  4. Step 4: Simplify right side
    882,506.40x = 332,772,165,761.80
  5. Step 5: Solve for x
    x = 332,772,165,761.80/882,506.40
  6. Step 6: Final answer
    x = 377,076.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.