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Finding the Fourth Proportional to 451,700.50, 677,589.99 and 119,276.50

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Solution

The fourth proportional to 451,700.50, 677,589.99 and 119,276.50 is: 178,925.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,700.50 : 677,589.99 = 119,276.50 : x
  2. Step 2: Convert to fraction form
    451,700.50/677,589.99 = 119,276.50/x
  3. Step 3: Cross multiply
    451,700.50x = 677,589.99 × 119,276.50
  4. Step 4: Simplify right side
    451,700.50x = 80,820,562,442.24
  5. Step 5: Solve for x
    x = 80,820,562,442.24/451,700.50
  6. Step 6: Final answer
    x = 178,925.11

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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.