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Finding the Fourth Proportional to 587,634.48, 810,515.48 and 539,389.55

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Solution

The fourth proportional to 587,634.48, 810,515.48 and 539,389.55 is: 743,971.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,634.48 : 810,515.48 = 539,389.55 : x
  2. Step 2: Convert to fraction form
    587,634.48/810,515.48 = 539,389.55/x
  3. Step 3: Cross multiply
    587,634.48x = 810,515.48 × 539,389.55
  4. Step 4: Simplify right side
    587,634.48x = 437,183,579,354.58
  5. Step 5: Solve for x
    x = 437,183,579,354.58/587,634.48
  6. Step 6: Final answer
    x = 743,971.97

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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.