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Finding the Fourth Proportional to 538,524.45, 743,133.42 and 296,806.23

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Solution

The fourth proportional to 538,524.45, 743,133.42 and 296,806.23 is: 409,575.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,524.45 : 743,133.42 = 296,806.23 : x
  2. Step 2: Convert to fraction form
    538,524.45/743,133.42 = 296,806.23/x
  3. Step 3: Cross multiply
    538,524.45x = 743,133.42 × 296,806.23
  4. Step 4: Simplify right side
    538,524.45x = 220,566,628,777.21
  5. Step 5: Solve for x
    x = 220,566,628,777.21/538,524.45
  6. Step 6: Final answer
    x = 409,575.89

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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.