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Finding the Fourth Proportional to 700,939.44, 967,372.56 and 429,190.56

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Solution

The fourth proportional to 700,939.44, 967,372.56 and 429,190.56 is: 592,329.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,939.44 : 967,372.56 = 429,190.56 : x
  2. Step 2: Convert to fraction form
    700,939.44/967,372.56 = 429,190.56/x
  3. Step 3: Cross multiply
    700,939.44x = 967,372.56 × 429,190.56
  4. Step 4: Simplify right side
    700,939.44x = 415,187,170,755.03
  5. Step 5: Solve for x
    x = 415,187,170,755.03/700,939.44
  6. Step 6: Final answer
    x = 592,329.59

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1.5x scale

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.