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Finding the Fourth Proportional to 893,019.60, 1,337,196.60 and 851,029.20

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Solution

The fourth proportional to 893,019.60, 1,337,196.60 and 851,029.20 is: 1,274,320.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,019.60 : 1,337,196.60 = 851,029.20 : x
  2. Step 2: Convert to fraction form
    893,019.60/1,337,196.60 = 851,029.20/x
  3. Step 3: Cross multiply
    893,019.60x = 1,337,196.60 × 851,029.20
  4. Step 4: Simplify right side
    893,019.60x = 1,137,993,352,740.72
  5. Step 5: Solve for x
    x = 1,137,993,352,740.72/893,019.60
  6. Step 6: Final answer
    x = 1,274,320.69

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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.