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Finding the Fourth Proportional to 572,523.72, 858,930.48 and 404,372.40

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Solution

The fourth proportional to 572,523.72, 858,930.48 and 404,372.40 is: 606,660.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,523.72 : 858,930.48 = 404,372.40 : x
  2. Step 2: Convert to fraction form
    572,523.72/858,930.48 = 404,372.40/x
  3. Step 3: Cross multiply
    572,523.72x = 858,930.48 × 404,372.40
  4. Step 4: Simplify right side
    572,523.72x = 347,327,779,630.75
  5. Step 5: Solve for x
    x = 347,327,779,630.75/572,523.72
  6. Step 6: Final answer
    x = 606,660.94

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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.