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Finding the Fourth Proportional to 534,575.72, 801,010.62 and 391,759.10

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Solution

The fourth proportional to 534,575.72, 801,010.62 and 391,759.10 is: 587,013.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,575.72 : 801,010.62 = 391,759.10 : x
  2. Step 2: Convert to fraction form
    534,575.72/801,010.62 = 391,759.10/x
  3. Step 3: Cross multiply
    534,575.72x = 801,010.62 × 391,759.10
  4. Step 4: Simplify right side
    534,575.72x = 313,803,199,581.64
  5. Step 5: Solve for x
    x = 313,803,199,581.64/534,575.72
  6. Step 6: Final answer
    x = 587,013.57

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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.