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Finding the Fourth Proportional to 508,072.93, 762,110.72 and 171,350.11

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Solution

The fourth proportional to 508,072.93, 762,110.72 and 171,350.11 is: 257,025.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,072.93 : 762,110.72 = 171,350.11 : x
  2. Step 2: Convert to fraction form
    508,072.93/762,110.72 = 171,350.11/x
  3. Step 3: Cross multiply
    508,072.93x = 762,110.72 × 171,350.11
  4. Step 4: Simplify right side
    508,072.93x = 130,587,757,674.41
  5. Step 5: Solve for x
    x = 130,587,757,674.41/508,072.93
  6. Step 6: Final answer
    x = 257,025.61

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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.