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Finding the Fourth Proportional to 270,821.42, 373,728.98 and 149,960.11

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Solution

The fourth proportional to 270,821.42, 373,728.98 and 149,960.11 is: 206,942.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,821.42 : 373,728.98 = 149,960.11 : x
  2. Step 2: Convert to fraction form
    270,821.42/373,728.98 = 149,960.11/x
  3. Step 3: Cross multiply
    270,821.42x = 373,728.98 × 149,960.11
  4. Step 4: Simplify right side
    270,821.42x = 56,044,438,950.99
  5. Step 5: Solve for x
    x = 56,044,438,950.99/270,821.42
  6. Step 6: Final answer
    x = 206,942.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.