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Finding the Fourth Proportional to 623,189.34, 934,909.77 and 196,791.78

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Solution

The fourth proportional to 623,189.34, 934,909.77 and 196,791.78 is: 295,227.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,189.34 : 934,909.77 = 196,791.78 : x
  2. Step 2: Convert to fraction form
    623,189.34/934,909.77 = 196,791.78/x
  3. Step 3: Cross multiply
    623,189.34x = 934,909.77 × 196,791.78
  4. Step 4: Simplify right side
    623,189.34x = 183,982,557,777.69
  5. Step 5: Solve for x
    x = 183,982,557,777.69/623,189.34
  6. Step 6: Final answer
    x = 295,227.38

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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.