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Finding the Fourth Proportional to 539,856.25, 810,282.53 and 273,803.60

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Solution

The fourth proportional to 539,856.25, 810,282.53 and 273,803.60 is: 410,958.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,856.25 : 810,282.53 = 273,803.60 : x
  2. Step 2: Convert to fraction form
    539,856.25/810,282.53 = 273,803.60/x
  3. Step 3: Cross multiply
    539,856.25x = 810,282.53 × 273,803.60
  4. Step 4: Simplify right side
    539,856.25x = 221,858,273,731.11
  5. Step 5: Solve for x
    x = 221,858,273,731.11/539,856.25
  6. Step 6: Final answer
    x = 410,958.05

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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.