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Finding the Fourth Proportional to 436,252.86, 654,393.86 and 120,683.34

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Solution

The fourth proportional to 436,252.86, 654,393.86 and 120,683.34 is: 181,029.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,252.86 : 654,393.86 = 120,683.34 : x
  2. Step 2: Convert to fraction form
    436,252.86/654,393.86 = 120,683.34/x
  3. Step 3: Cross multiply
    436,252.86x = 654,393.86 × 120,683.34
  4. Step 4: Simplify right side
    436,252.86x = 78,974,434,774.31
  5. Step 5: Solve for x
    x = 78,974,434,774.31/436,252.86
  6. Step 6: Final answer
    x = 181,029.04

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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.