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Finding the Fourth Proportional to 490,809.11, 736,192.24 and 153,842.06

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Solution

The fourth proportional to 490,809.11, 736,192.24 and 153,842.06 is: 230,756.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,809.11 : 736,192.24 = 153,842.06 : x
  2. Step 2: Convert to fraction form
    490,809.11/736,192.24 = 153,842.06/x
  3. Step 3: Cross multiply
    490,809.11x = 736,192.24 × 153,842.06
  4. Step 4: Simplify right side
    490,809.11x = 113,257,332,213.49
  5. Step 5: Solve for x
    x = 113,257,332,213.49/490,809.11
  6. Step 6: Final answer
    x = 230,756.38

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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.