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Finding the Fourth Proportional to 587,241.06, 810,354.30 and 345,476.93

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Solution

The fourth proportional to 587,241.06, 810,354.30 and 345,476.93 is: 476,735.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,241.06 : 810,354.30 = 345,476.93 : x
  2. Step 2: Convert to fraction form
    587,241.06/810,354.30 = 345,476.93/x
  3. Step 3: Cross multiply
    587,241.06x = 810,354.30 × 345,476.93
  4. Step 4: Simplify right side
    587,241.06x = 279,958,711,724.53
  5. Step 5: Solve for x
    x = 279,958,711,724.53/587,241.06
  6. Step 6: Final answer
    x = 476,735.59

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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.