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Finding the Fourth Proportional to 422,440.04, 633,661.38 and 106,896.85

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Solution

The fourth proportional to 422,440.04, 633,661.38 and 106,896.85 is: 160,345.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,440.04 : 633,661.38 = 106,896.85 : x
  2. Step 2: Convert to fraction form
    422,440.04/633,661.38 = 106,896.85/x
  3. Step 3: Cross multiply
    422,440.04x = 633,661.38 × 106,896.85
  4. Step 4: Simplify right side
    422,440.04x = 67,736,403,904.50
  5. Step 5: Solve for x
    x = 67,736,403,904.50/422,440.04
  6. Step 6: Final answer
    x = 160,345.60

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1.5x scale

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.