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Finding the Fourth Proportional to 893,365.60, 1,337,715.60 and 576,104.80

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Solution

The fourth proportional to 893,365.60, 1,337,715.60 and 576,104.80 is: 862,652.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,365.60 : 1,337,715.60 = 576,104.80 : x
  2. Step 2: Convert to fraction form
    893,365.60/1,337,715.60 = 576,104.80/x
  3. Step 3: Cross multiply
    893,365.60x = 1,337,715.60 × 576,104.80
  4. Step 4: Simplify right side
    893,365.60x = 770,664,378,194.88
  5. Step 5: Solve for x
    x = 770,664,378,194.88/893,365.60
  6. Step 6: Final answer
    x = 862,652.85

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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.