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Finding the Fourth Proportional to 270,363.12, 405,544.56 and 73,371.12

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Solution

The fourth proportional to 270,363.12, 405,544.56 and 73,371.12 is: 110,056.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,363.12 : 405,544.56 = 73,371.12 : x
  2. Step 2: Convert to fraction form
    270,363.12/405,544.56 = 73,371.12/x
  3. Step 3: Cross multiply
    270,363.12x = 405,544.56 × 73,371.12
  4. Step 4: Simplify right side
    270,363.12x = 29,755,258,577.11
  5. Step 5: Solve for x
    x = 29,755,258,577.11/270,363.12
  6. Step 6: Final answer
    x = 110,056.65

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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.