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Finding the Fourth Proportional to 445,332.83, 668,000.60 and 108,373.54

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Solution

The fourth proportional to 445,332.83, 668,000.60 and 108,373.54 is: 162,560.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,332.83 : 668,000.60 = 108,373.54 : x
  2. Step 2: Convert to fraction form
    445,332.83/668,000.60 = 108,373.54/x
  3. Step 3: Cross multiply
    445,332.83x = 668,000.60 × 108,373.54
  4. Step 4: Simplify right side
    445,332.83x = 72,393,589,744.12
  5. Step 5: Solve for x
    x = 72,393,589,744.12/445,332.83
  6. Step 6: Final answer
    x = 162,560.64

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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.