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Finding the Fourth Proportional to 344,941.20, 476,013.78 and 194,038.20

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Solution

The fourth proportional to 344,941.20, 476,013.78 and 194,038.20 is: 267,769.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,941.20 : 476,013.78 = 194,038.20 : x
  2. Step 2: Convert to fraction form
    344,941.20/476,013.78 = 194,038.20/x
  3. Step 3: Cross multiply
    344,941.20x = 476,013.78 × 194,038.20
  4. Step 4: Simplify right side
    344,941.20x = 92,364,857,046.40
  5. Step 5: Solve for x
    x = 92,364,857,046.40/344,941.20
  6. Step 6: Final answer
    x = 267,769.86

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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.