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Finding the Fourth Proportional to 267,284.16, 400,927.68 and 80,294.40

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Solution

The fourth proportional to 267,284.16, 400,927.68 and 80,294.40 is: 120,442.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,284.16 : 400,927.68 = 80,294.40 : x
  2. Step 2: Convert to fraction form
    267,284.16/400,927.68 = 80,294.40/x
  3. Step 3: Cross multiply
    267,284.16x = 400,927.68 × 80,294.40
  4. Step 4: Simplify right side
    267,284.16x = 32,192,247,508.99
  5. Step 5: Solve for x
    x = 32,192,247,508.99/267,284.16
  6. Step 6: Final answer
    x = 120,442.03

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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.