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Finding the Fourth Proportional to 641,601.07, 885,391.83 and 365,952.67

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Solution

The fourth proportional to 641,601.07, 885,391.83 and 365,952.67 is: 505,004.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,601.07 : 885,391.83 = 365,952.67 : x
  2. Step 2: Convert to fraction form
    641,601.07/885,391.83 = 365,952.67/x
  3. Step 3: Cross multiply
    641,601.07x = 885,391.83 × 365,952.67
  4. Step 4: Simplify right side
    641,601.07x = 324,011,501,971.21
  5. Step 5: Solve for x
    x = 324,011,501,971.21/641,601.07
  6. Step 6: Final answer
    x = 505,004.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.