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Finding the Fourth Proportional to 270,616.52, 405,893.57 and 70,952.76

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Solution

The fourth proportional to 270,616.52, 405,893.57 and 70,952.76 is: 106,420.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,616.52 : 405,893.57 = 70,952.76 : x
  2. Step 2: Convert to fraction form
    270,616.52/405,893.57 = 70,952.76/x
  3. Step 3: Cross multiply
    270,616.52x = 405,893.57 × 70,952.76
  4. Step 4: Simplify right side
    270,616.52x = 28,799,269,057.75
  5. Step 5: Solve for x
    x = 28,799,269,057.75/270,616.52
  6. Step 6: Final answer
    x = 106,420.96

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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.