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Finding the Fourth Proportional to 540,232.30, 810,856.94 and 274,183.76

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Solution

The fourth proportional to 540,232.30, 810,856.94 and 274,183.76 is: 411,533.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,232.30 : 810,856.94 = 274,183.76 : x
  2. Step 2: Convert to fraction form
    540,232.30/810,856.94 = 274,183.76/x
  3. Step 3: Cross multiply
    540,232.30x = 810,856.94 × 274,183.76
  4. Step 4: Simplify right side
    540,232.30x = 222,323,804,631.29
  5. Step 5: Solve for x
    x = 222,323,804,631.29/540,232.30
  6. Step 6: Final answer
    x = 411,533.71

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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.