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Finding the Fourth Proportional to 284,645.92, 426,968.32 and 267,324.88

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Solution

The fourth proportional to 284,645.92, 426,968.32 and 267,324.88 is: 400,986.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,645.92 : 426,968.32 = 267,324.88 : x
  2. Step 2: Convert to fraction form
    284,645.92/426,968.32 = 267,324.88/x
  3. Step 3: Cross multiply
    284,645.92x = 426,968.32 × 267,324.88
  4. Step 4: Simplify right side
    284,645.92x = 114,139,254,907.80
  5. Step 5: Solve for x
    x = 114,139,254,907.80/284,645.92
  6. Step 6: Final answer
    x = 400,986.79

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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.