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Finding the Fourth Proportional to 997,000, 1,375,852.96 and 544,291

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Solution

The fourth proportional to 997,000, 1,375,852.96 and 544,291 is: 751,117.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,000 : 1,375,852.96 = 544,291 : x
  2. Step 2: Convert to fraction form
    997,000/1,375,852.96 = 544,291/x
  3. Step 3: Cross multiply
    997,000x = 1,375,852.96 × 544,291
  4. Step 4: Simplify right side
    997,000x = 748,864,383,451.36
  5. Step 5: Solve for x
    x = 748,864,383,451.36/997,000
  6. Step 6: Final answer
    x = 751,117.74

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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.