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Finding the Fourth Proportional to 329,621.60, 461,936.80 and 329,621.60

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Solution

The fourth proportional to 329,621.60, 461,936.80 and 329,621.60 is: 461,936.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,621.60 : 461,936.80 = 329,621.60 : x
  2. Step 2: Convert to fraction form
    329,621.60/461,936.80 = 329,621.60/x
  3. Step 3: Cross multiply
    329,621.60x = 461,936.80 × 329,621.60
  4. Step 4: Simplify right side
    329,621.60x = 152,264,347,114.88
  5. Step 5: Solve for x
    x = 152,264,347,114.88/329,621.60
  6. Step 6: Final answer
    x = 461,936.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.