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Finding the Fourth Proportional to 433,265.56, 649,911.78 and 117,721.24

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Solution

The fourth proportional to 433,265.56, 649,911.78 and 117,721.24 is: 176,585.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,265.56 : 649,911.78 = 117,721.24 : x
  2. Step 2: Convert to fraction form
    433,265.56/649,911.78 = 117,721.24/x
  3. Step 3: Cross multiply
    433,265.56x = 649,911.78 × 117,721.24
  4. Step 4: Simplify right side
    433,265.56x = 76,508,420,632.21
  5. Step 5: Solve for x
    x = 76,508,420,632.21/433,265.56
  6. Step 6: Final answer
    x = 176,585.51

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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.