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Finding the Fourth Proportional to 587,770.55, 810,372.47 and 380,673.04

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Solution

The fourth proportional to 587,770.55, 810,372.47 and 380,673.04 is: 524,842.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,770.55 : 810,372.47 = 380,673.04 : x
  2. Step 2: Convert to fraction form
    587,770.55/810,372.47 = 380,673.04/x
  3. Step 3: Cross multiply
    587,770.55x = 810,372.47 × 380,673.04
  4. Step 4: Simplify right side
    587,770.55x = 308,486,947,635.35
  5. Step 5: Solve for x
    x = 308,486,947,635.35/587,770.55
  6. Step 6: Final answer
    x = 524,842.47

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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.