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Finding the Fourth Proportional to 519,411.99, 779,256.24 and 164,433.27

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Solution

The fourth proportional to 519,411.99, 779,256.24 and 164,433.27 is: 246,693.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,411.99 : 779,256.24 = 164,433.27 : x
  2. Step 2: Convert to fraction form
    519,411.99/779,256.24 = 164,433.27/x
  3. Step 3: Cross multiply
    519,411.99x = 779,256.24 × 164,433.27
  4. Step 4: Simplify right side
    519,411.99x = 128,135,651,711.11
  5. Step 5: Solve for x
    x = 128,135,651,711.11/519,411.99
  6. Step 6: Final answer
    x = 246,693.67

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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.