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Finding the Fourth Proportional to 373,200.30, 560,383.65 and 215,736.30

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Solution

The fourth proportional to 373,200.30, 560,383.65 and 215,736.30 is: 323,941.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,200.30 : 560,383.65 = 215,736.30 : x
  2. Step 2: Convert to fraction form
    373,200.30/560,383.65 = 215,736.30/x
  3. Step 3: Cross multiply
    373,200.30x = 560,383.65 × 215,736.30
  4. Step 4: Simplify right side
    373,200.30x = 120,895,095,231.50
  5. Step 5: Solve for x
    x = 120,895,095,231.50/373,200.30
  6. Step 6: Final answer
    x = 323,941.58

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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.