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Finding the Fourth Proportional to 404,015.95, 557,537.53 and 231,938.03

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Solution

The fourth proportional to 404,015.95, 557,537.53 and 231,938.03 is: 320,071.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,015.95 : 557,537.53 = 231,938.03 : x
  2. Step 2: Convert to fraction form
    404,015.95/557,537.53 = 231,938.03/x
  3. Step 3: Cross multiply
    404,015.95x = 557,537.53 × 231,938.03
  4. Step 4: Simplify right side
    404,015.95x = 129,314,157,608.15
  5. Step 5: Solve for x
    x = 129,314,157,608.15/404,015.95
  6. Step 6: Final answer
    x = 320,071.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.