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Finding the Fourth Proportional to 400,711.86, 600,929.37 and 116,325.27

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Solution

The fourth proportional to 400,711.86, 600,929.37 and 116,325.27 is: 174,447.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,711.86 : 600,929.37 = 116,325.27 : x
  2. Step 2: Convert to fraction form
    400,711.86/600,929.37 = 116,325.27/x
  3. Step 3: Cross multiply
    400,711.86x = 600,929.37 × 116,325.27
  4. Step 4: Simplify right side
    400,711.86x = 69,903,271,216.18
  5. Step 5: Solve for x
    x = 69,903,271,216.18/400,711.86
  6. Step 6: Final answer
    x = 174,447.72

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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.