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Finding the Fourth Proportional to 551,430.14, 826,693.23 and 196,241.90

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Solution

The fourth proportional to 551,430.14, 826,693.23 and 196,241.90 is: 294,202.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,430.14 : 826,693.23 = 196,241.90 : x
  2. Step 2: Convert to fraction form
    551,430.14/826,693.23 = 196,241.90/x
  3. Step 3: Cross multiply
    551,430.14x = 826,693.23 × 196,241.90
  4. Step 4: Simplify right side
    551,430.14x = 162,231,850,172.34
  5. Step 5: Solve for x
    x = 162,231,850,172.34/551,430.14
  6. Step 6: Final answer
    x = 294,202.00

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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.