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Finding the Fourth Proportional to 572,537.25, 858,805.92 and 178,553.25

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Solution

The fourth proportional to 572,537.25, 858,805.92 and 178,553.25 is: 267,829.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,537.25 : 858,805.92 = 178,553.25 : x
  2. Step 2: Convert to fraction form
    572,537.25/858,805.92 = 178,553.25/x
  3. Step 3: Cross multiply
    572,537.25x = 858,805.92 × 178,553.25
  4. Step 4: Simplify right side
    572,537.25x = 153,342,588,135.24
  5. Step 5: Solve for x
    x = 153,342,588,135.24/572,537.25
  6. Step 6: Final answer
    x = 267,829.89

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Similar ratio
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1.5x scale

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.