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Finding the Fourth Proportional to 580,268.67, 870,361.84 and 153,795.03

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Solution

The fourth proportional to 580,268.67, 870,361.84 and 153,795.03 is: 230,681.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,268.67 : 870,361.84 = 153,795.03 : x
  2. Step 2: Convert to fraction form
    580,268.67/870,361.84 = 153,795.03/x
  3. Step 3: Cross multiply
    580,268.67x = 870,361.84 × 153,795.03
  4. Step 4: Simplify right side
    580,268.67x = 133,857,325,293.66
  5. Step 5: Solve for x
    x = 133,857,325,293.66/580,268.67
  6. Step 6: Final answer
    x = 230,681.63

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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.