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Finding the Fourth Proportional to 468,990.72, 703,479.78 and 114,003.72

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Solution

The fourth proportional to 468,990.72, 703,479.78 and 114,003.72 is: 171,004.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,990.72 : 703,479.78 = 114,003.72 : x
  2. Step 2: Convert to fraction form
    468,990.72/703,479.78 = 114,003.72/x
  3. Step 3: Cross multiply
    468,990.72x = 703,479.78 × 114,003.72
  4. Step 4: Simplify right side
    468,990.72x = 80,199,311,864.78
  5. Step 5: Solve for x
    x = 80,199,311,864.78/468,990.72
  6. Step 6: Final answer
    x = 171,004.05

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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.