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Finding the Fourth Proportional to 536,226.48, 739,992.11 and 294,515.60

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Solution

The fourth proportional to 536,226.48, 739,992.11 and 294,515.60 is: 406,431.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,226.48 : 739,992.11 = 294,515.60 : x
  2. Step 2: Convert to fraction form
    536,226.48/739,992.11 = 294,515.60/x
  3. Step 3: Cross multiply
    536,226.48x = 739,992.11 × 294,515.60
  4. Step 4: Simplify right side
    536,226.48x = 217,939,215,099.38
  5. Step 5: Solve for x
    x = 217,939,215,099.38/536,226.48
  6. Step 6: Final answer
    x = 406,431.28

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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.