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Finding the Fourth Proportional to 893,361.60, 1,337,709.60 and 576,100.80

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Solution

The fourth proportional to 893,361.60, 1,337,709.60 and 576,100.80 is: 862,646.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,361.60 : 1,337,709.60 = 576,100.80 : x
  2. Step 2: Convert to fraction form
    893,361.60/1,337,709.60 = 576,100.80/x
  3. Step 3: Cross multiply
    893,361.60x = 1,337,709.60 × 576,100.80
  4. Step 4: Simplify right side
    893,361.60x = 770,655,570,727.68
  5. Step 5: Solve for x
    x = 770,655,570,727.68/893,361.60
  6. Step 6: Final answer
    x = 862,646.85

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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.