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Finding the Fourth Proportional to 475,939.42, 713,679.48 and 276,310.06

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Solution

The fourth proportional to 475,939.42, 713,679.48 and 276,310.06 is: 414,331.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,939.42 : 713,679.48 = 276,310.06 : x
  2. Step 2: Convert to fraction form
    475,939.42/713,679.48 = 276,310.06/x
  3. Step 3: Cross multiply
    475,939.42x = 713,679.48 × 276,310.06
  4. Step 4: Simplify right side
    475,939.42x = 197,196,819,939.57
  5. Step 5: Solve for x
    x = 197,196,819,939.57/475,939.42
  6. Step 6: Final answer
    x = 414,331.77

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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.