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Finding the Fourth Proportional to 893,486.70, 1,340,230.05 and 799,008.30

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Solution

The fourth proportional to 893,486.70, 1,340,230.05 and 799,008.30 is: 1,198,512.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,486.70 : 1,340,230.05 = 799,008.30 : x
  2. Step 2: Convert to fraction form
    893,486.70/1,340,230.05 = 799,008.30/x
  3. Step 3: Cross multiply
    893,486.70x = 1,340,230.05 × 799,008.30
  4. Step 4: Simplify right side
    893,486.70x = 1,070,854,933,859.42
  5. Step 5: Solve for x
    x = 1,070,854,933,859.42/893,486.70
  6. Step 6: Final answer
    x = 1,198,512.45

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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.