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Finding the Fourth Proportional to 329,601.40, 494,402.10 and 223,313.20

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Solution

The fourth proportional to 329,601.40, 494,402.10 and 223,313.20 is: 334,969.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,601.40 : 494,402.10 = 223,313.20 : x
  2. Step 2: Convert to fraction form
    329,601.40/494,402.10 = 223,313.20/x
  3. Step 3: Cross multiply
    329,601.40x = 494,402.10 × 223,313.20
  4. Step 4: Simplify right side
    329,601.40x = 110,406,515,037.72
  5. Step 5: Solve for x
    x = 110,406,515,037.72/329,601.40
  6. Step 6: Final answer
    x = 334,969.80

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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.