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Finding the Fourth Proportional to 658,770.92, 987,914.34 and 226,365.76

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Solution

The fourth proportional to 658,770.92, 987,914.34 and 226,365.76 is: 339,465.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,770.92 : 987,914.34 = 226,365.76 : x
  2. Step 2: Convert to fraction form
    658,770.92/987,914.34 = 226,365.76/x
  3. Step 3: Cross multiply
    658,770.92x = 987,914.34 × 226,365.76
  4. Step 4: Simplify right side
    658,770.92x = 223,629,975,350.63
  5. Step 5: Solve for x
    x = 223,629,975,350.63/658,770.92
  6. Step 6: Final answer
    x = 339,465.46

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1.5x scale

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.