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Finding the Fourth Proportional to 341,566.60, 512,349.90 and 320,830.60

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Solution

The fourth proportional to 341,566.60, 512,349.90 and 320,830.60 is: 481,245.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,566.60 : 512,349.90 = 320,830.60 : x
  2. Step 2: Convert to fraction form
    341,566.60/512,349.90 = 320,830.60/x
  3. Step 3: Cross multiply
    341,566.60x = 512,349.90 × 320,830.60
  4. Step 4: Simplify right side
    341,566.60x = 164,377,525,826.94
  5. Step 5: Solve for x
    x = 164,377,525,826.94/341,566.60
  6. Step 6: Final answer
    x = 481,245.90

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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.