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Finding the Fourth Proportional to 341,644.40, 512,466.60 and 325,314.80

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Solution

The fourth proportional to 341,644.40, 512,466.60 and 325,314.80 is: 487,972.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,644.40 : 512,466.60 = 325,314.80 : x
  2. Step 2: Convert to fraction form
    341,644.40/512,466.60 = 325,314.80/x
  3. Step 3: Cross multiply
    341,644.40x = 512,466.60 × 325,314.80
  4. Step 4: Simplify right side
    341,644.40x = 166,712,969,485.68
  5. Step 5: Solve for x
    x = 166,712,969,485.68/341,644.40
  6. Step 6: Final answer
    x = 487,972.20

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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.