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Finding the Fourth Proportional to 436,304.64, 654,384.06 and 120,793.44

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Solution

The fourth proportional to 436,304.64, 654,384.06 and 120,793.44 is: 181,169.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,304.64 : 654,384.06 = 120,793.44 : x
  2. Step 2: Convert to fraction form
    436,304.64/654,384.06 = 120,793.44/x
  3. Step 3: Cross multiply
    436,304.64x = 654,384.06 × 120,793.44
  4. Step 4: Simplify right side
    436,304.64x = 79,045,301,688.57
  5. Step 5: Solve for x
    x = 79,045,301,688.57/436,304.64
  6. Step 6: Final answer
    x = 181,169.98

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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.