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Finding the Fourth Proportional to 971,324.70, 1,456,987.05 and 943,676.70

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Solution

The fourth proportional to 971,324.70, 1,456,987.05 and 943,676.70 is: 1,415,515.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,324.70 : 1,456,987.05 = 943,676.70 : x
  2. Step 2: Convert to fraction form
    971,324.70/1,456,987.05 = 943,676.70/x
  3. Step 3: Cross multiply
    971,324.70x = 1,456,987.05 × 943,676.70
  4. Step 4: Simplify right side
    971,324.70x = 1,374,924,731,286.73
  5. Step 5: Solve for x
    x = 1,374,924,731,286.73/971,324.70
  6. Step 6: Final answer
    x = 1,415,515.05

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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.