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Finding the Fourth Proportional to 508,550.72, 762,521.64 and 171,583.92

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Solution

The fourth proportional to 508,550.72, 762,521.64 and 171,583.92 is: 257,273.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,550.72 : 762,521.64 = 171,583.92 : x
  2. Step 2: Convert to fraction form
    508,550.72/762,521.64 = 171,583.92/x
  3. Step 3: Cross multiply
    508,550.72x = 762,521.64 × 171,583.92
  4. Step 4: Simplify right side
    508,550.72x = 130,836,452,076.03
  5. Step 5: Solve for x
    x = 130,836,452,076.03/508,550.72
  6. Step 6: Final answer
    x = 257,273.16

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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.