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Finding the Fourth Proportional to 329,846.40, 494,769.60 and 251,114.40

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Solution

The fourth proportional to 329,846.40, 494,769.60 and 251,114.40 is: 376,671.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,846.40 : 494,769.60 = 251,114.40 : x
  2. Step 2: Convert to fraction form
    329,846.40/494,769.60 = 251,114.40/x
  3. Step 3: Cross multiply
    329,846.40x = 494,769.60 × 251,114.40
  4. Step 4: Simplify right side
    329,846.40x = 124,243,771,242.24
  5. Step 5: Solve for x
    x = 124,243,771,242.24/329,846.40
  6. Step 6: Final answer
    x = 376,671.60

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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.