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Finding the Fourth Proportional to 539,856.01, 810,282.15 and 273,803.35

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Solution

The fourth proportional to 539,856.01, 810,282.15 and 273,803.35 is: 410,957.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,856.01 : 810,282.15 = 273,803.35 : x
  2. Step 2: Convert to fraction form
    539,856.01/810,282.15 = 273,803.35/x
  3. Step 3: Cross multiply
    539,856.01x = 810,282.15 × 273,803.35
  4. Step 4: Simplify right side
    539,856.01x = 221,857,967,115.20
  5. Step 5: Solve for x
    x = 221,857,967,115.20/539,856.01
  6. Step 6: Final answer
    x = 410,957.67

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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.