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Finding the Fourth Proportional to 341,205.40, 512,229.30 and 214,845.40

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Solution

The fourth proportional to 341,205.40, 512,229.30 and 214,845.40 is: 322,533.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,205.40 : 512,229.30 = 214,845.40 : x
  2. Step 2: Convert to fraction form
    341,205.40/512,229.30 = 214,845.40/x
  3. Step 3: Cross multiply
    341,205.40x = 512,229.30 × 214,845.40
  4. Step 4: Simplify right side
    341,205.40x = 110,050,108,850.22
  5. Step 5: Solve for x
    x = 110,050,108,850.22/341,205.40
  6. Step 6: Final answer
    x = 322,533.32

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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.