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Finding the Fourth Proportional to 573,958.45, 861,028.80 and 194,914.90

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Solution

The fourth proportional to 573,958.45, 861,028.80 and 194,914.90 is: 292,403.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,958.45 : 861,028.80 = 194,914.90 : x
  2. Step 2: Convert to fraction form
    573,958.45/861,028.80 = 194,914.90/x
  3. Step 3: Cross multiply
    573,958.45x = 861,028.80 × 194,914.90
  4. Step 4: Simplify right side
    573,958.45x = 167,827,342,449.12
  5. Step 5: Solve for x
    x = 167,827,342,449.12/573,958.45
  6. Step 6: Final answer
    x = 292,403.30

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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.