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Finding the Fourth Proportional to 284,633.92, 426,950.34 and 267,312.88

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Solution

The fourth proportional to 284,633.92, 426,950.34 and 267,312.88 is: 400,968.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,633.92 : 426,950.34 = 267,312.88 : x
  2. Step 2: Convert to fraction form
    284,633.92/426,950.34 = 267,312.88/x
  3. Step 3: Cross multiply
    284,633.92x = 426,950.34 × 267,312.88
  4. Step 4: Simplify right side
    284,633.92x = 114,129,325,002.38
  5. Step 5: Solve for x
    x = 114,129,325,002.38/284,633.92
  6. Step 6: Final answer
    x = 400,968.81

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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.