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Finding the Fourth Proportional to 978,992.01, 1,468,504.22 and 269,015.67

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Solution

The fourth proportional to 978,992.01, 1,468,504.22 and 269,015.67 is: 403,527.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,992.01 : 1,468,504.22 = 269,015.67 : x
  2. Step 2: Convert to fraction form
    978,992.01/1,468,504.22 = 269,015.67/x
  3. Step 3: Cross multiply
    978,992.01x = 1,468,504.22 × 269,015.67
  4. Step 4: Simplify right side
    978,992.01x = 395,050,646,641.13
  5. Step 5: Solve for x
    x = 395,050,646,641.13/978,992.01
  6. Step 6: Final answer
    x = 403,527.96

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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.